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Finding the Fourth Proportional to 12,584.53, 18,874.28 and 11,960.05

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Solution

The fourth proportional to 12,584.53, 18,874.28 and 11,960.05 is: 17,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.53 : 18,874.28 = 11,960.05 : x
  2. Step 2: Convert to fraction form
    12,584.53/18,874.28 = 11,960.05/x
  3. Step 3: Cross multiply
    12,584.53x = 18,874.28 × 11,960.05
  4. Step 4: Simplify right side
    12,584.53x = 225,737,272.71
  5. Step 5: Solve for x
    x = 225,737,272.71/12,584.53
  6. Step 6: Final answer
    x = 17,937.68

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