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Finding the Fourth Proportional to 8,610.64, 12,899.44 and 5,832.56

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Solution

The fourth proportional to 8,610.64, 12,899.44 and 5,832.56 is: 8,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.64 : 12,899.44 = 5,832.56 : x
  2. Step 2: Convert to fraction form
    8,610.64/12,899.44 = 5,832.56/x
  3. Step 3: Cross multiply
    8,610.64x = 12,899.44 × 5,832.56
  4. Step 4: Simplify right side
    8,610.64x = 75,236,757.77
  5. Step 5: Solve for x
    x = 75,236,757.77/8,610.64
  6. Step 6: Final answer
    x = 8,737.65

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