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Finding the Fourth Proportional to 18,471.62, 27,713.34 and 6,617.39

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Solution

The fourth proportional to 18,471.62, 27,713.34 and 6,617.39 is: 9,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.62 : 27,713.34 = 6,617.39 : x
  2. Step 2: Convert to fraction form
    18,471.62/27,713.34 = 6,617.39/x
  3. Step 3: Cross multiply
    18,471.62x = 27,713.34 × 6,617.39
  4. Step 4: Simplify right side
    18,471.62x = 183,390,023.45
  5. Step 5: Solve for x
    x = 183,390,023.45/18,471.62
  6. Step 6: Final answer
    x = 9,928.20

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