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Finding the Fourth Proportional to 12,252.70, 16,908.18 and 6,947.86

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Solution

The fourth proportional to 12,252.70, 16,908.18 and 6,947.86 is: 9,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.70 : 16,908.18 = 6,947.86 : x
  2. Step 2: Convert to fraction form
    12,252.70/16,908.18 = 6,947.86/x
  3. Step 3: Cross multiply
    12,252.70x = 16,908.18 × 6,947.86
  4. Step 4: Simplify right side
    12,252.70x = 117,475,667.49
  5. Step 5: Solve for x
    x = 117,475,667.49/12,252.70
  6. Step 6: Final answer
    x = 9,587.74

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