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Finding the Fourth Proportional to 71,819.36, 107,754.96 and 25,079.12

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Solution

The fourth proportional to 71,819.36, 107,754.96 and 25,079.12 is: 37,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819.36 : 107,754.96 = 25,079.12 : x
  2. Step 2: Convert to fraction form
    71,819.36/107,754.96 = 25,079.12/x
  3. Step 3: Cross multiply
    71,819.36x = 107,754.96 × 25,079.12
  4. Step 4: Simplify right side
    71,819.36x = 2,702,399,572.44
  5. Step 5: Solve for x
    x = 2,702,399,572.44/71,819.36
  6. Step 6: Final answer
    x = 37,627.73

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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.