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Finding the Fourth Proportional to 62,649.73, 86,456.64 and 34,356.01

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Solution

The fourth proportional to 62,649.73, 86,456.64 and 34,356.01 is: 47,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649.73 : 86,456.64 = 34,356.01 : x
  2. Step 2: Convert to fraction form
    62,649.73/86,456.64 = 34,356.01/x
  3. Step 3: Cross multiply
    62,649.73x = 86,456.64 × 34,356.01
  4. Step 4: Simplify right side
    62,649.73x = 2,970,305,188.41
  5. Step 5: Solve for x
    x = 2,970,305,188.41/62,649.73
  6. Step 6: Final answer
    x = 47,411.30

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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.