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Finding the Fourth Proportional to 48,337.98, 66,702.60 and 29,213.88

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Solution

The fourth proportional to 48,337.98, 66,702.60 and 29,213.88 is: 40,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,337.98 : 66,702.60 = 29,213.88 : x
  2. Step 2: Convert to fraction form
    48,337.98/66,702.60 = 29,213.88/x
  3. Step 3: Cross multiply
    48,337.98x = 66,702.60 × 29,213.88
  4. Step 4: Simplify right side
    48,337.98x = 1,948,641,752.09
  5. Step 5: Solve for x
    x = 1,948,641,752.09/48,337.98
  6. Step 6: Final answer
    x = 40,312.85

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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.