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Finding the Fourth Proportional to 18,646.70, 27,974.87 and 6,960.02

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Solution

The fourth proportional to 18,646.70, 27,974.87 and 6,960.02 is: 10,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.70 : 27,974.87 = 6,960.02 : x
  2. Step 2: Convert to fraction form
    18,646.70/27,974.87 = 6,960.02/x
  3. Step 3: Cross multiply
    18,646.70x = 27,974.87 × 6,960.02
  4. Step 4: Simplify right side
    18,646.70x = 194,705,654.70
  5. Step 5: Solve for x
    x = 194,705,654.70/18,646.70
  6. Step 6: Final answer
    x = 10,441.83

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