Finding the Fourth Proportional to 37,049,250.65, 51,128,705.66 and 21,580,331.75
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Solution
The fourth proportional to 37,049,250.65, 51,128,705.66 and 21,580,331.75 is: 29,781,288.70
Step by Step Solution
- Step 1: Write the proportion equation
37,049,250.65 : 51,128,705.66 = 21,580,331.75 : x - Step 2: Convert to fraction form
37,049,250.65/51,128,705.66 = 21,580,331.75/x - Step 3: Cross multiply
37,049,250.65x = 51,128,705.66 × 21,580,331.75 - Step 4: Simplify right side
37,049,250.65x = 1,103,374,429,727,357.62 - Step 5: Solve for x
x = 1,103,374,429,727,357.62/37,049,250.65 - Step 6: Final answer
x = 29,781,288.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.