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Finding the Fourth Proportional to 71,279.76, 106,849.20 and 33,773.88

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Solution

The fourth proportional to 71,279.76, 106,849.20 and 33,773.88 is: 50,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279.76 : 106,849.20 = 33,773.88 : x
  2. Step 2: Convert to fraction form
    71,279.76/106,849.20 = 33,773.88/x
  3. Step 3: Cross multiply
    71,279.76x = 106,849.20 × 33,773.88
  4. Step 4: Simplify right side
    71,279.76x = 3,608,712,058.90
  5. Step 5: Solve for x
    x = 3,608,712,058.90/71,279.76
  6. Step 6: Final answer
    x = 50,627.44

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1.5x scale

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.