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Finding the Fourth Proportional to 57,507.87, 86,279.45 and 29,447.64

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Solution

The fourth proportional to 57,507.87, 86,279.45 and 29,447.64 is: 44,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,507.87 : 86,279.45 = 29,447.64 : x
  2. Step 2: Convert to fraction form
    57,507.87/86,279.45 = 29,447.64/x
  3. Step 3: Cross multiply
    57,507.87x = 86,279.45 × 29,447.64
  4. Step 4: Simplify right side
    57,507.87x = 2,540,726,035.76
  5. Step 5: Solve for x
    x = 2,540,726,035.76/57,507.87
  6. Step 6: Final answer
    x = 44,180.49

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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.