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Finding the Fourth Proportional to 13,672.10, 18,867.89 and 7,703.44

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Solution

The fourth proportional to 13,672.10, 18,867.89 and 7,703.44 is: 10,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.10 : 18,867.89 = 7,703.44 : x
  2. Step 2: Convert to fraction form
    13,672.10/18,867.89 = 7,703.44/x
  3. Step 3: Cross multiply
    13,672.10x = 18,867.89 × 7,703.44
  4. Step 4: Simplify right side
    13,672.10x = 145,347,658.54
  5. Step 5: Solve for x
    x = 145,347,658.54/13,672.10
  6. Step 6: Final answer
    x = 10,630.97

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