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Finding the Fourth Proportional to 12,932.96, 19,402.68 and 4,167.68

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Solution

The fourth proportional to 12,932.96, 19,402.68 and 4,167.68 is: 6,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.96 : 19,402.68 = 4,167.68 : x
  2. Step 2: Convert to fraction form
    12,932.96/19,402.68 = 4,167.68/x
  3. Step 3: Cross multiply
    12,932.96x = 19,402.68 × 4,167.68
  4. Step 4: Simplify right side
    12,932.96x = 80,864,161.38
  5. Step 5: Solve for x
    x = 80,864,161.38/12,932.96
  6. Step 6: Final answer
    x = 6,252.56

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