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Finding the Fourth Proportional to 14,993.28, 20,687.04 and 9,325.44

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Solution

The fourth proportional to 14,993.28, 20,687.04 and 9,325.44 is: 12,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.28 : 20,687.04 = 9,325.44 : x
  2. Step 2: Convert to fraction form
    14,993.28/20,687.04 = 9,325.44/x
  3. Step 3: Cross multiply
    14,993.28x = 20,687.04 × 9,325.44
  4. Step 4: Simplify right side
    14,993.28x = 192,915,750.30
  5. Step 5: Solve for x
    x = 192,915,750.30/14,993.28
  6. Step 6: Final answer
    x = 12,866.81

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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.