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Finding the Fourth Proportional to 8,871.24, 13,311.48 and 5,750.43

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Solution

The fourth proportional to 8,871.24, 13,311.48 and 5,750.43 is: 8,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.24 : 13,311.48 = 5,750.43 : x
  2. Step 2: Convert to fraction form
    8,871.24/13,311.48 = 5,750.43/x
  3. Step 3: Cross multiply
    8,871.24x = 13,311.48 × 5,750.43
  4. Step 4: Simplify right side
    8,871.24x = 76,546,733.94
  5. Step 5: Solve for x
    x = 76,546,733.94/8,871.24
  6. Step 6: Final answer
    x = 8,628.64

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