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Finding the Fourth Proportional to 62,649.68, 86,456.52 and 34,355.97

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Solution

The fourth proportional to 62,649.68, 86,456.52 and 34,355.97 is: 47,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649.68 : 86,456.52 = 34,355.97 : x
  2. Step 2: Convert to fraction form
    62,649.68/86,456.52 = 34,355.97/x
  3. Step 3: Cross multiply
    62,649.68x = 86,456.52 × 34,355.97
  4. Step 4: Simplify right side
    62,649.68x = 2,970,297,607.42
  5. Step 5: Solve for x
    x = 2,970,297,607.42/62,649.68
  6. Step 6: Final answer
    x = 47,411.22

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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.