\{ \frac { 13.52 } { 13.83 } = \frac { x } { \Sigma }
Solve for x
x=\frac{1352Σ}{1383}
Σ\neq 0
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Σ\times \frac{13.52}{13.83}=x
Multiply both sides of the equation by Σ.
Σ\times \frac{1352}{1383}=x
Expand \frac{13.52}{13.83} by multiplying both numerator and the denominator by 100.
x=Σ\times \frac{1352}{1383}
Swap sides so that all variable terms are on the left hand side.
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