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Finding the Fourth Proportional to 61,404.68, 84,732.42 and 34,546.61

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Solution

The fourth proportional to 61,404.68, 84,732.42 and 34,546.61 is: 47,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,404.68 : 84,732.42 = 34,546.61 : x
  2. Step 2: Convert to fraction form
    61,404.68/84,732.42 = 34,546.61/x
  3. Step 3: Cross multiply
    61,404.68x = 84,732.42 × 34,546.61
  4. Step 4: Simplify right side
    61,404.68x = 2,927,217,444.43
  5. Step 5: Solve for x
    x = 2,927,217,444.43/61,404.68
  6. Step 6: Final answer
    x = 47,670.92

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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.