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Finding the Fourth Proportional to 38,951.61, 58,372.73 and 16,748.29

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Solution

The fourth proportional to 38,951.61, 58,372.73 and 16,748.29 is: 25,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.61 : 58,372.73 = 16,748.29 : x
  2. Step 2: Convert to fraction form
    38,951.61/58,372.73 = 16,748.29/x
  3. Step 3: Cross multiply
    38,951.61x = 58,372.73 × 16,748.29
  4. Step 4: Simplify right side
    38,951.61x = 977,643,410.13
  5. Step 5: Solve for x
    x = 977,643,410.13/38,951.61
  6. Step 6: Final answer
    x = 25,098.92

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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.