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Finding the Fourth Proportional to 17,658.88, 26,491.20 and 5,344

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Solution

The fourth proportional to 17,658.88, 26,491.20 and 5,344 is: 8,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.88 : 26,491.20 = 5,344 : x
  2. Step 2: Convert to fraction form
    17,658.88/26,491.20 = 5,344/x
  3. Step 3: Cross multiply
    17,658.88x = 26,491.20 × 5,344
  4. Step 4: Simplify right side
    17,658.88x = 141,568,972.80
  5. Step 5: Solve for x
    x = 141,568,972.80/17,658.88
  6. Step 6: Final answer
    x = 8,016.87

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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.