Finding the Fourth Proportional to 48,539,147.25, 66,983,948.33 and 26,512,646.90
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Solution
The fourth proportional to 48,539,147.25, 66,983,948.33 and 26,512,646.90 is: 36,587,411.82
Step by Step Solution
- Step 1: Write the proportion equation
48,539,147.25 : 66,983,948.33 = 26,512,646.90 : x - Step 2: Convert to fraction form
48,539,147.25/66,983,948.33 = 26,512,646.90/x - Step 3: Cross multiply
48,539,147.25x = 66,983,948.33 × 26,512,646.90 - Step 4: Simplify right side
48,539,147.25x = 1,775,921,769,573,651.75 - Step 5: Solve for x
x = 1,775,921,769,573,651.75/48,539,147.25 - Step 6: Final answer
x = 36,587,411.82
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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.