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Finding the Fourth Proportional to 5,868.91, 8,757.86 and 5,245.75

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Solution

The fourth proportional to 5,868.91, 8,757.86 and 5,245.75 is: 7,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.91 : 8,757.86 = 5,245.75 : x
  2. Step 2: Convert to fraction form
    5,868.91/8,757.86 = 5,245.75/x
  3. Step 3: Cross multiply
    5,868.91x = 8,757.86 × 5,245.75
  4. Step 4: Simplify right side
    5,868.91x = 45,941,544.10
  5. Step 5: Solve for x
    x = 45,941,544.10/5,868.91
  6. Step 6: Final answer
    x = 7,827.95

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