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Finding the Fourth Proportional to 39,251.20, 58,876.80 and 36,659.20

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Solution

The fourth proportional to 39,251.20, 58,876.80 and 36,659.20 is: 54,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.20 : 58,876.80 = 36,659.20 : x
  2. Step 2: Convert to fraction form
    39,251.20/58,876.80 = 36,659.20/x
  3. Step 3: Cross multiply
    39,251.20x = 58,876.80 × 36,659.20
  4. Step 4: Simplify right side
    39,251.20x = 2,158,376,386.56
  5. Step 5: Solve for x
    x = 2,158,376,386.56/39,251.20
  6. Step 6: Final answer
    x = 54,988.80

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