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Finding the Fourth Proportional to 61,657.92, 85,086.48 and 34,799.68

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Solution

The fourth proportional to 61,657.92, 85,086.48 and 34,799.68 is: 48,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.92 : 85,086.48 = 34,799.68 : x
  2. Step 2: Convert to fraction form
    61,657.92/85,086.48 = 34,799.68/x
  3. Step 3: Cross multiply
    61,657.92x = 85,086.48 × 34,799.68
  4. Step 4: Simplify right side
    61,657.92x = 2,960,982,276.33
  5. Step 5: Solve for x
    x = 2,960,982,276.33/61,657.92
  6. Step 6: Final answer
    x = 48,022.74

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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.