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Finding the Fourth Proportional to 36,855.52, 55,291.58 and 13,481.76

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Solution

The fourth proportional to 36,855.52, 55,291.58 and 13,481.76 is: 20,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.52 : 55,291.58 = 13,481.76 : x
  2. Step 2: Convert to fraction form
    36,855.52/55,291.58 = 13,481.76/x
  3. Step 3: Cross multiply
    36,855.52x = 55,291.58 × 13,481.76
  4. Step 4: Simplify right side
    36,855.52x = 745,427,811.58
  5. Step 5: Solve for x
    x = 745,427,811.58/36,855.52
  6. Step 6: Final answer
    x = 20,225.68

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