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Finding the Fourth Proportional to 8,977.92, 13,448.34 and 5,268.96

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Solution

The fourth proportional to 8,977.92, 13,448.34 and 5,268.96 is: 7,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.92 : 13,448.34 = 5,268.96 : x
  2. Step 2: Convert to fraction form
    8,977.92/13,448.34 = 5,268.96/x
  3. Step 3: Cross multiply
    8,977.92x = 13,448.34 × 5,268.96
  4. Step 4: Simplify right side
    8,977.92x = 70,858,765.53
  5. Step 5: Solve for x
    x = 70,858,765.53/8,977.92
  6. Step 6: Final answer
    x = 7,892.56

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