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Finding the Fourth Proportional to 57,883.72, 79,902.48 and 37,757.92

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Solution

The fourth proportional to 57,883.72, 79,902.48 and 37,757.92 is: 52,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.72 : 79,902.48 = 37,757.92 : x
  2. Step 2: Convert to fraction form
    57,883.72/79,902.48 = 37,757.92/x
  3. Step 3: Cross multiply
    57,883.72x = 79,902.48 × 37,757.92
  4. Step 4: Simplify right side
    57,883.72x = 3,016,951,447.64
  5. Step 5: Solve for x
    x = 3,016,951,447.64/57,883.72
  6. Step 6: Final answer
    x = 52,120.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.