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Finding the Fourth Proportional to 17,372.53, 23,972.65 and 9,819.55

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Solution

The fourth proportional to 17,372.53, 23,972.65 and 9,819.55 is: 13,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.53 : 23,972.65 = 9,819.55 : x
  2. Step 2: Convert to fraction form
    17,372.53/23,972.65 = 9,819.55/x
  3. Step 3: Cross multiply
    17,372.53x = 23,972.65 × 9,819.55
  4. Step 4: Simplify right side
    17,372.53x = 235,400,635.31
  5. Step 5: Solve for x
    x = 235,400,635.31/17,372.53
  6. Step 6: Final answer
    x = 13,550.16

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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.