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Finding the Fourth Proportional to 24,451.47, 36,684.09 and 11,978.55

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Solution

The fourth proportional to 24,451.47, 36,684.09 and 11,978.55 is: 17,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,451.47 : 36,684.09 = 11,978.55 : x
  2. Step 2: Convert to fraction form
    24,451.47/36,684.09 = 11,978.55/x
  3. Step 3: Cross multiply
    24,451.47x = 36,684.09 × 11,978.55
  4. Step 4: Simplify right side
    24,451.47x = 439,422,206.27
  5. Step 5: Solve for x
    x = 439,422,206.27/24,451.47
  6. Step 6: Final answer
    x = 17,971.20

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