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Finding the Fourth Proportional to 55,226.93, 82,843.13 and 15,789.86

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Solution

The fourth proportional to 55,226.93, 82,843.13 and 15,789.86 is: 23,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226.93 : 82,843.13 = 15,789.86 : x
  2. Step 2: Convert to fraction form
    55,226.93/82,843.13 = 15,789.86/x
  3. Step 3: Cross multiply
    55,226.93x = 82,843.13 × 15,789.86
  4. Step 4: Simplify right side
    55,226.93x = 1,308,081,424.66
  5. Step 5: Solve for x
    x = 1,308,081,424.66/55,226.93
  6. Step 6: Final answer
    x = 23,685.57

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