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Finding the Fourth Proportional to 17,403.87, 26,105.81 and 16,660.29

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Solution

The fourth proportional to 17,403.87, 26,105.81 and 16,660.29 is: 24,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,403.87 : 26,105.81 = 16,660.29 : x
  2. Step 2: Convert to fraction form
    17,403.87/26,105.81 = 16,660.29/x
  3. Step 3: Cross multiply
    17,403.87x = 26,105.81 × 16,660.29
  4. Step 4: Simplify right side
    17,403.87x = 434,930,281.98
  5. Step 5: Solve for x
    x = 434,930,281.98/17,403.87
  6. Step 6: Final answer
    x = 24,990.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.