n
a
b
d
1
5
10
40
80
2
9
10
54
60
3
9
5
18
10
4
10
6
30
18
5
7
3
70
30
6
8
2
16
4
7
5
1
45
9
8
6
12
48
96
9
9
10
81
90
10
5
7
25
35
11
2
5
4
10
12
2
4
18
36
13
11
4
132
48
14
8
6
80
60
15
6
5
42
35
16
9
4
36
16
17
6
4
30
20
18
9
6
27
18
19
2
12
12
72
20
5
2
20
8
21
11
1
132
12
22
12
5
120
50
23
5
3
10
6
24
5
12
55
132
25
11
10
77
70
26
3
9
9
27
27
10
7
110
77
28
7
12
70
120
29
12
6
48
24
30
1
9
4
36
31
9
7
18
14
32
12
4
120
40
33
3
4
30
40
34
6
2
66
22
35
12
11
36
33
36
12
6
132
66
37
2
6
18
54
38
5
8
15
24
39
12
1
48
4
40
7
10
21
30
41
10
8
30
24
42
11
10
66
60
43
6
12
60
120
44
11
7
121
77
45
4
6
48
72
46
10
4
110
44
47
7
4
14
8
48
10
3
90
27
49
4
12
32
96
50
8
7
64
56
51
9
7
45
35
52
4
1
24
6
53
6
11
36
66
54
4
12
24
72
55
12
2
72
12
56
12
7
132
77
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Find the missing number in the given proportions
?
A proportion is simply a statement that two fractions are equivalent (equal to each other)
1)
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2)
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3)
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4)
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5)
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6)
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7)
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8)
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9)
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10)
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