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Finding the Fourth Proportional to 17,356.28, 23,952.57 and 11,391.44

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Solution

The fourth proportional to 17,356.28, 23,952.57 and 11,391.44 is: 15,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356.28 : 23,952.57 = 11,391.44 : x
  2. Step 2: Convert to fraction form
    17,356.28/23,952.57 = 11,391.44/x
  3. Step 3: Cross multiply
    17,356.28x = 23,952.57 × 11,391.44
  4. Step 4: Simplify right side
    17,356.28x = 272,854,276.78
  5. Step 5: Solve for x
    x = 272,854,276.78/17,356.28
  6. Step 6: Final answer
    x = 15,720.78

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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.