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Finding the Fourth Proportional to 5,326.38, 7,989.63 and 2,986.02

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Solution

The fourth proportional to 5,326.38, 7,989.63 and 2,986.02 is: 4,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.38 : 7,989.63 = 2,986.02 : x
  2. Step 2: Convert to fraction form
    5,326.38/7,989.63 = 2,986.02/x
  3. Step 3: Cross multiply
    5,326.38x = 7,989.63 × 2,986.02
  4. Step 4: Simplify right side
    5,326.38x = 23,857,194.97
  5. Step 5: Solve for x
    x = 23,857,194.97/5,326.38
  6. Step 6: Final answer
    x = 4,479.06

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