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Finding the Fourth Proportional to 24,318.81, 33,559.94 and 13,140.81

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Solution

The fourth proportional to 24,318.81, 33,559.94 and 13,140.81 is: 18,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,318.81 : 33,559.94 = 13,140.81 : x
  2. Step 2: Convert to fraction form
    24,318.81/33,559.94 = 13,140.81/x
  3. Step 3: Cross multiply
    24,318.81x = 33,559.94 × 13,140.81
  4. Step 4: Simplify right side
    24,318.81x = 441,004,729.45
  5. Step 5: Solve for x
    x = 441,004,729.45/24,318.81
  6. Step 6: Final answer
    x = 18,134.31

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