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Finding the Fourth Proportional to 11,939.22, 16,474.86 and 6,902.64

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Solution

The fourth proportional to 11,939.22, 16,474.86 and 6,902.64 is: 9,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.22 : 16,474.86 = 6,902.64 : x
  2. Step 2: Convert to fraction form
    11,939.22/16,474.86 = 6,902.64/x
  3. Step 3: Cross multiply
    11,939.22x = 16,474.86 × 6,902.64
  4. Step 4: Simplify right side
    11,939.22x = 113,720,027.63
  5. Step 5: Solve for x
    x = 113,720,027.63/11,939.22
  6. Step 6: Final answer
    x = 9,524.91

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