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Finding the Fourth Proportional to 16,766.52, 23,137.68 and 9,212.93

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Solution

The fourth proportional to 16,766.52, 23,137.68 and 9,212.93 is: 12,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.52 : 23,137.68 = 9,212.93 : x
  2. Step 2: Convert to fraction form
    16,766.52/23,137.68 = 9,212.93/x
  3. Step 3: Cross multiply
    16,766.52x = 23,137.68 × 9,212.93
  4. Step 4: Simplify right side
    16,766.52x = 213,165,826.20
  5. Step 5: Solve for x
    x = 213,165,826.20/16,766.52
  6. Step 6: Final answer
    x = 12,713.78

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