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Finding the Fourth Proportional to 17,761.29, 26,651.24 and 7,239.09

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Solution

The fourth proportional to 17,761.29, 26,651.24 and 7,239.09 is: 10,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.29 : 26,651.24 = 7,239.09 : x
  2. Step 2: Convert to fraction form
    17,761.29/26,651.24 = 7,239.09/x
  3. Step 3: Cross multiply
    17,761.29x = 26,651.24 × 7,239.09
  4. Step 4: Simplify right side
    17,761.29x = 192,930,724.97
  5. Step 5: Solve for x
    x = 192,930,724.97/17,761.29
  6. Step 6: Final answer
    x = 10,862.43

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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.