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Finding the Fourth Proportional to 29,189.31, 43,747.07 and 15,861.75

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Solution

The fourth proportional to 29,189.31, 43,747.07 and 15,861.75 is: 23,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.31 : 43,747.07 = 15,861.75 : x
  2. Step 2: Convert to fraction form
    29,189.31/43,747.07 = 15,861.75/x
  3. Step 3: Cross multiply
    29,189.31x = 43,747.07 × 15,861.75
  4. Step 4: Simplify right side
    29,189.31x = 693,905,008.26
  5. Step 5: Solve for x
    x = 693,905,008.26/29,189.31
  6. Step 6: Final answer
    x = 23,772.57

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