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Finding the Fourth Proportional to 38,508.40, 57,864.12 and 20,752.24

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Solution

The fourth proportional to 38,508.40, 57,864.12 and 20,752.24 is: 31,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.40 : 57,864.12 = 20,752.24 : x
  2. Step 2: Convert to fraction form
    38,508.40/57,864.12 = 20,752.24/x
  3. Step 3: Cross multiply
    38,508.40x = 57,864.12 × 20,752.24
  4. Step 4: Simplify right side
    38,508.40x = 1,200,810,105.63
  5. Step 5: Solve for x
    x = 1,200,810,105.63/38,508.40
  6. Step 6: Final answer
    x = 31,183.07

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