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Finding the Fourth Proportional to 16,979.96, 25,470.30 and 5,293.28

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Solution

The fourth proportional to 16,979.96, 25,470.30 and 5,293.28 is: 7,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.96 : 25,470.30 = 5,293.28 : x
  2. Step 2: Convert to fraction form
    16,979.96/25,470.30 = 5,293.28/x
  3. Step 3: Cross multiply
    16,979.96x = 25,470.30 × 5,293.28
  4. Step 4: Simplify right side
    16,979.96x = 134,821,429.58
  5. Step 5: Solve for x
    x = 134,821,429.58/16,979.96
  6. Step 6: Final answer
    x = 7,940.03

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