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Finding the Fourth Proportional to 12,601.14, 17,394.96 and 8,969.55

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Solution

The fourth proportional to 12,601.14, 17,394.96 and 8,969.55 is: 12,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.14 : 17,394.96 = 8,969.55 : x
  2. Step 2: Convert to fraction form
    12,601.14/17,394.96 = 8,969.55/x
  3. Step 3: Cross multiply
    12,601.14x = 17,394.96 × 8,969.55
  4. Step 4: Simplify right side
    12,601.14x = 156,024,963.47
  5. Step 5: Solve for x
    x = 156,024,963.47/12,601.14
  6. Step 6: Final answer
    x = 12,381.81

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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.