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Finding the Fourth Proportional to 38,443.80, 57,665.70 and 17,375.70

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Solution

The fourth proportional to 38,443.80, 57,665.70 and 17,375.70 is: 26,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.80 : 57,665.70 = 17,375.70 : x
  2. Step 2: Convert to fraction form
    38,443.80/57,665.70 = 17,375.70/x
  3. Step 3: Cross multiply
    38,443.80x = 57,665.70 × 17,375.70
  4. Step 4: Simplify right side
    38,443.80x = 1,001,981,903.49
  5. Step 5: Solve for x
    x = 1,001,981,903.49/38,443.80
  6. Step 6: Final answer
    x = 26,063.55

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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.