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Finding the Fourth Proportional to 8,939.27, 12,336.77 and 4,960.82

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Solution

The fourth proportional to 8,939.27, 12,336.77 and 4,960.82 is: 6,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.27 : 12,336.77 = 4,960.82 : x
  2. Step 2: Convert to fraction form
    8,939.27/12,336.77 = 4,960.82/x
  3. Step 3: Cross multiply
    8,939.27x = 12,336.77 × 4,960.82
  4. Step 4: Simplify right side
    8,939.27x = 61,200,408.86
  5. Step 5: Solve for x
    x = 61,200,408.86/8,939.27
  6. Step 6: Final answer
    x = 6,846.25

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