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Finding the Fourth Proportional to 62,487,649.52, 86,231,993.28 and 34,986,561.92

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Solution

The fourth proportional to 62,487,649.52, 86,231,993.28 and 34,986,561.92 is: 48,280,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487,649.52 : 86,231,993.28 = 34,986,561.92 : x
  2. Step 2: Convert to fraction form
    62,487,649.52/86,231,993.28 = 34,986,561.92/x
  3. Step 3: Cross multiply
    62,487,649.52x = 86,231,993.28 × 34,986,561.92
  4. Step 4: Simplify right side
    62,487,649.52x = 3,016,960,972,375,744
  5. Step 5: Solve for x
    x = 3,016,960,972,375,744/62,487,649.52
  6. Step 6: Final answer
    x = 48,280,916.24

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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.