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Finding the Fourth Proportional to 12,617.28, 18,960.54 and 11,794.44

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Solution

The fourth proportional to 12,617.28, 18,960.54 and 11,794.44 is: 17,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.28 : 18,960.54 = 11,794.44 : x
  2. Step 2: Convert to fraction form
    12,617.28/18,960.54 = 11,794.44/x
  3. Step 3: Cross multiply
    12,617.28x = 18,960.54 × 11,794.44
  4. Step 4: Simplify right side
    12,617.28x = 223,628,951.40
  5. Step 5: Solve for x
    x = 223,628,951.40/12,617.28
  6. Step 6: Final answer
    x = 17,724.02

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