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Finding the Fourth Proportional to 8,569.42, 12,851.39 and 2,724.66

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Solution

The fourth proportional to 8,569.42, 12,851.39 and 2,724.66 is: 4,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.42 : 12,851.39 = 2,724.66 : x
  2. Step 2: Convert to fraction form
    8,569.42/12,851.39 = 2,724.66/x
  3. Step 3: Cross multiply
    8,569.42x = 12,851.39 × 2,724.66
  4. Step 4: Simplify right side
    8,569.42x = 35,015,675.09
  5. Step 5: Solve for x
    x = 35,015,675.09/8,569.42
  6. Step 6: Final answer
    x = 4,086.12

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