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Finding the Fourth Proportional to 16,909.54, 25,363.23 and 5,821.54

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Solution

The fourth proportional to 16,909.54, 25,363.23 and 5,821.54 is: 8,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.54 : 25,363.23 = 5,821.54 : x
  2. Step 2: Convert to fraction form
    16,909.54/25,363.23 = 5,821.54/x
  3. Step 3: Cross multiply
    16,909.54x = 25,363.23 × 5,821.54
  4. Step 4: Simplify right side
    16,909.54x = 147,653,057.97
  5. Step 5: Solve for x
    x = 147,653,057.97/16,909.54
  6. Step 6: Final answer
    x = 8,731.94

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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.