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Finding the Fourth Proportional to 29,629.11, 40,879.92 and 17,688.09

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Solution

The fourth proportional to 29,629.11, 40,879.92 and 17,688.09 is: 24,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629.11 : 40,879.92 = 17,688.09 : x
  2. Step 2: Convert to fraction form
    29,629.11/40,879.92 = 17,688.09/x
  3. Step 3: Cross multiply
    29,629.11x = 40,879.92 × 17,688.09
  4. Step 4: Simplify right side
    29,629.11x = 723,087,704.15
  5. Step 5: Solve for x
    x = 723,087,704.15/29,629.11
  6. Step 6: Final answer
    x = 24,404.64

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