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Finding the Fourth Proportional to 12,797.91, 19,171.96 and 7,234.43

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Solution

The fourth proportional to 12,797.91, 19,171.96 and 7,234.43 is: 10,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.91 : 19,171.96 = 7,234.43 : x
  2. Step 2: Convert to fraction form
    12,797.91/19,171.96 = 7,234.43/x
  3. Step 3: Cross multiply
    12,797.91x = 19,171.96 × 7,234.43
  4. Step 4: Simplify right side
    12,797.91x = 138,698,088.64
  5. Step 5: Solve for x
    x = 138,698,088.64/12,797.91
  6. Step 6: Final answer
    x = 10,837.56

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