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Finding the Fourth Proportional to 38,969.72, 58,463.24 and 18,181.88

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Solution

The fourth proportional to 38,969.72, 58,463.24 and 18,181.88 is: 27,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.72 : 58,463.24 = 18,181.88 : x
  2. Step 2: Convert to fraction form
    38,969.72/58,463.24 = 18,181.88/x
  3. Step 3: Cross multiply
    38,969.72x = 58,463.24 × 18,181.88
  4. Step 4: Simplify right side
    38,969.72x = 1,062,971,614.09
  5. Step 5: Solve for x
    x = 1,062,971,614.09/38,969.72
  6. Step 6: Final answer
    x = 27,276.86

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