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Finding the Fourth Proportional to 44,874.88, 67,279.92 and 13,693.12

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Solution

The fourth proportional to 44,874.88, 67,279.92 and 13,693.12 is: 20,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,874.88 : 67,279.92 = 13,693.12 : x
  2. Step 2: Convert to fraction form
    44,874.88/67,279.92 = 13,693.12/x
  3. Step 3: Cross multiply
    44,874.88x = 67,279.92 × 13,693.12
  4. Step 4: Simplify right side
    44,874.88x = 921,272,018.15
  5. Step 5: Solve for x
    x = 921,272,018.15/44,874.88
  6. Step 6: Final answer
    x = 20,529.79

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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.