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Finding the Fourth Proportional to 11,975.39, 17,963.12 and 4,184.20

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Solution

The fourth proportional to 11,975.39, 17,963.12 and 4,184.20 is: 6,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.39 : 17,963.12 = 4,184.20 : x
  2. Step 2: Convert to fraction form
    11,975.39/17,963.12 = 4,184.20/x
  3. Step 3: Cross multiply
    11,975.39x = 17,963.12 × 4,184.20
  4. Step 4: Simplify right side
    11,975.39x = 75,161,265.78
  5. Step 5: Solve for x
    x = 75,161,265.78/11,975.39
  6. Step 6: Final answer
    x = 6,276.31

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