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Finding the Fourth Proportional to 69,086.72, 95,337.60 and 38,873.72

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Solution

The fourth proportional to 69,086.72, 95,337.60 and 38,873.72 is: 53,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086.72 : 95,337.60 = 38,873.72 : x
  2. Step 2: Convert to fraction form
    69,086.72/95,337.60 = 38,873.72/x
  3. Step 3: Cross multiply
    69,086.72x = 95,337.60 × 38,873.72
  4. Step 4: Simplify right side
    69,086.72x = 3,706,127,167.87
  5. Step 5: Solve for x
    x = 3,706,127,167.87/69,086.72
  6. Step 6: Final answer
    x = 53,644.57

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