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Finding the Fourth Proportional to 8,981.42, 12,399.90 and 5,797.52

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Solution

The fourth proportional to 8,981.42, 12,399.90 and 5,797.52 is: 8,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.42 : 12,399.90 = 5,797.52 : x
  2. Step 2: Convert to fraction form
    8,981.42/12,399.90 = 5,797.52/x
  3. Step 3: Cross multiply
    8,981.42x = 12,399.90 × 5,797.52
  4. Step 4: Simplify right side
    8,981.42x = 71,888,668.25
  5. Step 5: Solve for x
    x = 71,888,668.25/8,981.42
  6. Step 6: Final answer
    x = 8,004.15

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