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Finding the Fourth Proportional to 36,659.52, 54,989.26 and 13,285.92

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Solution

The fourth proportional to 36,659.52, 54,989.26 and 13,285.92 is: 19,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.52 : 54,989.26 = 13,285.92 : x
  2. Step 2: Convert to fraction form
    36,659.52/54,989.26 = 13,285.92/x
  3. Step 3: Cross multiply
    36,659.52x = 54,989.26 × 13,285.92
  4. Step 4: Simplify right side
    36,659.52x = 730,582,909.22
  5. Step 5: Solve for x
    x = 730,582,909.22/36,659.52
  6. Step 6: Final answer
    x = 19,928.87

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