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Finding the Fourth Proportional to 24,978.55, 34,471.20 and 13,649.12

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Solution

The fourth proportional to 24,978.55, 34,471.20 and 13,649.12 is: 18,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.55 : 34,471.20 = 13,649.12 : x
  2. Step 2: Convert to fraction form
    24,978.55/34,471.20 = 13,649.12/x
  3. Step 3: Cross multiply
    24,978.55x = 34,471.20 × 13,649.12
  4. Step 4: Simplify right side
    24,978.55x = 470,501,545.34
  5. Step 5: Solve for x
    x = 470,501,545.34/24,978.55
  6. Step 6: Final answer
    x = 18,836.22

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