Question 623048
Can you please help me with something? My question is how do i solve proportions?
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If you're given:
a:b::c:d (a is to b as c is to d)
The product of the means (inside terms) = product of the extremes (outside terms)
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a*d = b*c
That's all.
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It's the same as 
a/b = c/d