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Finding the Fourth Proportional to 36,889.43, 55,250.88 and 25,845.40

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Solution

The fourth proportional to 36,889.43, 55,250.88 and 25,845.40 is: 38,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.43 : 55,250.88 = 25,845.40 : x
  2. Step 2: Convert to fraction form
    36,889.43/55,250.88 = 25,845.40/x
  3. Step 3: Cross multiply
    36,889.43x = 55,250.88 × 25,845.40
  4. Step 4: Simplify right side
    36,889.43x = 1,427,981,439.56
  5. Step 5: Solve for x
    x = 1,427,981,439.56/36,889.43
  6. Step 6: Final answer
    x = 38,709.78

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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.