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Finding the Fourth Proportional to 23,617.86, 35,448.69 and 11,939.28

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Solution

The fourth proportional to 23,617.86, 35,448.69 and 11,939.28 is: 17,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,617.86 : 35,448.69 = 11,939.28 : x
  2. Step 2: Convert to fraction form
    23,617.86/35,448.69 = 11,939.28/x
  3. Step 3: Cross multiply
    23,617.86x = 35,448.69 × 11,939.28
  4. Step 4: Simplify right side
    23,617.86x = 423,231,835.54
  5. Step 5: Solve for x
    x = 423,231,835.54/23,617.86
  6. Step 6: Final answer
    x = 17,919.99

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