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Finding the Fourth Proportional to 63,279.90, 95,029.20 and 33,755.40

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Solution

The fourth proportional to 63,279.90, 95,029.20 and 33,755.40 is: 50,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.90 : 95,029.20 = 33,755.40 : x
  2. Step 2: Convert to fraction form
    63,279.90/95,029.20 = 33,755.40/x
  3. Step 3: Cross multiply
    63,279.90x = 95,029.20 × 33,755.40
  4. Step 4: Simplify right side
    63,279.90x = 3,207,748,657.68
  5. Step 5: Solve for x
    x = 3,207,748,657.68/63,279.90
  6. Step 6: Final answer
    x = 50,691.43

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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.