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Finding the Fourth Proportional to 8,932.98, 13,399.46 and 3,089.64

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Solution

The fourth proportional to 8,932.98, 13,399.46 and 3,089.64 is: 4,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.98 : 13,399.46 = 3,089.64 : x
  2. Step 2: Convert to fraction form
    8,932.98/13,399.46 = 3,089.64/x
  3. Step 3: Cross multiply
    8,932.98x = 13,399.46 × 3,089.64
  4. Step 4: Simplify right side
    8,932.98x = 41,399,507.59
  5. Step 5: Solve for x
    x = 41,399,507.59/8,932.98
  6. Step 6: Final answer
    x = 4,634.46

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