Solving proportions
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360/60 = 6/x
1
1/6 = 2/x
12
2/7 = 4/x
14
6/13 = 72/x
156
5/8 = 10/x
16
1/2 = 9/x
18
1/2 = x/4
2
1/3 = x/6
2
7/10 = 14/x
20
x/63 = 24/72
21
5/12 = x/60
25
4/9 = 12/x
27
x/81 = 9/27
27
15/x = 3/8
40
7/9 = x/63
49
7/5 = 91/x
65
4/5 = x/10
8
3/4 = x/12
9