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Finding the Fourth Proportional to 31,709.82, 43,759.11 and 18,281.10

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Solution

The fourth proportional to 31,709.82, 43,759.11 and 18,281.10 is: 25,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.82 : 43,759.11 = 18,281.10 : x
  2. Step 2: Convert to fraction form
    31,709.82/43,759.11 = 18,281.10/x
  3. Step 3: Cross multiply
    31,709.82x = 43,759.11 × 18,281.10
  4. Step 4: Simplify right side
    31,709.82x = 799,964,665.82
  5. Step 5: Solve for x
    x = 799,964,665.82/31,709.82
  6. Step 6: Final answer
    x = 25,227.66

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