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Finding the Fourth Proportional to 62,607.97, 86,398.84 and 33,928.43

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Solution

The fourth proportional to 62,607.97, 86,398.84 and 33,928.43 is: 46,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.97 : 86,398.84 = 33,928.43 : x
  2. Step 2: Convert to fraction form
    62,607.97/86,398.84 = 33,928.43/x
  3. Step 3: Cross multiply
    62,607.97x = 86,398.84 × 33,928.43
  4. Step 4: Simplify right side
    62,607.97x = 2,931,377,083.79
  5. Step 5: Solve for x
    x = 2,931,377,083.79/62,607.97
  6. Step 6: Final answer
    x = 46,821.15

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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.