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Finding the Fourth Proportional to 23,132.80, 34,722.24 and 12,749.44

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Solution

The fourth proportional to 23,132.80, 34,722.24 and 12,749.44 is: 19,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.80 : 34,722.24 = 12,749.44 : x
  2. Step 2: Convert to fraction form
    23,132.80/34,722.24 = 12,749.44/x
  3. Step 3: Cross multiply
    23,132.80x = 34,722.24 × 12,749.44
  4. Step 4: Simplify right side
    23,132.80x = 442,689,115.55
  5. Step 5: Solve for x
    x = 442,689,115.55/23,132.80
  6. Step 6: Final answer
    x = 19,136.86

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