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Finding the Fourth Proportional to 8,963.84, 12,367.20 and 4,984.18

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Solution

The fourth proportional to 8,963.84, 12,367.20 and 4,984.18 is: 6,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.84 : 12,367.20 = 4,984.18 : x
  2. Step 2: Convert to fraction form
    8,963.84/12,367.20 = 4,984.18/x
  3. Step 3: Cross multiply
    8,963.84x = 12,367.20 × 4,984.18
  4. Step 4: Simplify right side
    8,963.84x = 61,640,350.90
  5. Step 5: Solve for x
    x = 61,640,350.90/8,963.84
  6. Step 6: Final answer
    x = 6,876.56

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