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Finding the Fourth Proportional to 16,979.71, 25,473.98 and 6,449.92

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Solution

The fourth proportional to 16,979.71, 25,473.98 and 6,449.92 is: 9,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.71 : 25,473.98 = 6,449.92 : x
  2. Step 2: Convert to fraction form
    16,979.71/25,473.98 = 6,449.92/x
  3. Step 3: Cross multiply
    16,979.71x = 25,473.98 × 6,449.92
  4. Step 4: Simplify right side
    16,979.71x = 164,305,133.08
  5. Step 5: Solve for x
    x = 164,305,133.08/16,979.71
  6. Step 6: Final answer
    x = 9,676.56

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