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Finding the Fourth Proportional to 6,518.52, 8,995.50 and 3,865.56

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Solution

The fourth proportional to 6,518.52, 8,995.50 and 3,865.56 is: 5,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.52 : 8,995.50 = 3,865.56 : x
  2. Step 2: Convert to fraction form
    6,518.52/8,995.50 = 3,865.56/x
  3. Step 3: Cross multiply
    6,518.52x = 8,995.50 × 3,865.56
  4. Step 4: Simplify right side
    6,518.52x = 34,772,644.98
  5. Step 5: Solve for x
    x = 34,772,644.98/6,518.52
  6. Step 6: Final answer
    x = 5,334.44

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