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Finding the Fourth Proportional to 18,650.13, 25,734.78 and 12,613.47

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Solution

The fourth proportional to 18,650.13, 25,734.78 and 12,613.47 is: 17,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.13 : 25,734.78 = 12,613.47 : x
  2. Step 2: Convert to fraction form
    18,650.13/25,734.78 = 12,613.47/x
  3. Step 3: Cross multiply
    18,650.13x = 25,734.78 × 12,613.47
  4. Step 4: Simplify right side
    18,650.13x = 324,604,875.49
  5. Step 5: Solve for x
    x = 324,604,875.49/18,650.13
  6. Step 6: Final answer
    x = 17,404.97

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