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Finding the Fourth Proportional to 18,679.48, 27,936.54 and 16,613.92

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Solution

The fourth proportional to 18,679.48, 27,936.54 and 16,613.92 is: 24,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.48 : 27,936.54 = 16,613.92 : x
  2. Step 2: Convert to fraction form
    18,679.48/27,936.54 = 16,613.92/x
  3. Step 3: Cross multiply
    18,679.48x = 27,936.54 × 16,613.92
  4. Step 4: Simplify right side
    18,679.48x = 464,135,440.64
  5. Step 5: Solve for x
    x = 464,135,440.64/18,679.48
  6. Step 6: Final answer
    x = 24,847.34

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