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Finding the Fourth Proportional to 13,610.52, 18,786.46 and 8,232.96

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Solution

The fourth proportional to 13,610.52, 18,786.46 and 8,232.96 is: 11,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.52 : 18,786.46 = 8,232.96 : x
  2. Step 2: Convert to fraction form
    13,610.52/18,786.46 = 8,232.96/x
  3. Step 3: Cross multiply
    13,610.52x = 18,786.46 × 8,232.96
  4. Step 4: Simplify right side
    13,610.52x = 154,668,173.72
  5. Step 5: Solve for x
    x = 154,668,173.72/13,610.52
  6. Step 6: Final answer
    x = 11,363.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.