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Finding the Fourth Proportional to 61,654.92, 85,083.87 and 33,360.61

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Solution

The fourth proportional to 61,654.92, 85,083.87 and 33,360.61 is: 46,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.92 : 85,083.87 = 33,360.61 : x
  2. Step 2: Convert to fraction form
    61,654.92/85,083.87 = 33,360.61/x
  3. Step 3: Cross multiply
    61,654.92x = 85,083.87 × 33,360.61
  4. Step 4: Simplify right side
    61,654.92x = 2,838,449,688.63
  5. Step 5: Solve for x
    x = 2,838,449,688.63/61,654.92
  6. Step 6: Final answer
    x = 46,037.68

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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.