Which of the proportions is correctly set up to find the missing dimension of the enlarged trapezoid? StartFraction 2 over x EndFraction = StartFraction 6.5 over 3.25 EndFraction StartFraction 2 over 3.25 EndFraction = StartFraction x over 6.5 EndFraction StartFraction 2 over 3.25 EndFraction = StartFraction 6.25 over x EndFraction StartFraction x over 6.5 EndFraction = StartFraction 3.25 over 2 EndFraction