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Finding the Fourth Proportional to 53,939.92, 80,902.07 and 16,489.94

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Solution

The fourth proportional to 53,939.92, 80,902.07 and 16,489.94 is: 24,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939.92 : 80,902.07 = 16,489.94 : x
  2. Step 2: Convert to fraction form
    53,939.92/80,902.07 = 16,489.94/x
  3. Step 3: Cross multiply
    53,939.92x = 80,902.07 × 16,489.94
  4. Step 4: Simplify right side
    53,939.92x = 1,334,070,280.18
  5. Step 5: Solve for x
    x = 1,334,070,280.18/53,939.92
  6. Step 6: Final answer
    x = 24,732.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.