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Finding the Fourth Proportional to 14,912.75, 22,379.36 and 6,147.61

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Solution

The fourth proportional to 14,912.75, 22,379.36 and 6,147.61 is: 9,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.75 : 22,379.36 = 6,147.61 : x
  2. Step 2: Convert to fraction form
    14,912.75/22,379.36 = 6,147.61/x
  3. Step 3: Cross multiply
    14,912.75x = 22,379.36 × 6,147.61
  4. Step 4: Simplify right side
    14,912.75x = 137,579,490.64
  5. Step 5: Solve for x
    x = 137,579,490.64/14,912.75
  6. Step 6: Final answer
    x = 9,225.63

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