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Finding the Fourth Proportional to 13,866.54, 20,799.63 and 8,967.66

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Solution

The fourth proportional to 13,866.54, 20,799.63 and 8,967.66 is: 13,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.54 : 20,799.63 = 8,967.66 : x
  2. Step 2: Convert to fraction form
    13,866.54/20,799.63 = 8,967.66/x
  3. Step 3: Cross multiply
    13,866.54x = 20,799.63 × 8,967.66
  4. Step 4: Simplify right side
    13,866.54x = 186,524,009.97
  5. Step 5: Solve for x
    x = 186,524,009.97/13,866.54
  6. Step 6: Final answer
    x = 13,451.37

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