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Finding the Fourth Proportional to 11,098.80, 16,648.02 and 10,819.98

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Solution

The fourth proportional to 11,098.80, 16,648.02 and 10,819.98 is: 16,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.80 : 16,648.02 = 10,819.98 : x
  2. Step 2: Convert to fraction form
    11,098.80/16,648.02 = 10,819.98/x
  3. Step 3: Cross multiply
    11,098.80x = 16,648.02 × 10,819.98
  4. Step 4: Simplify right side
    11,098.80x = 180,131,243.44
  5. Step 5: Solve for x
    x = 180,131,243.44/11,098.80
  6. Step 6: Final answer
    x = 16,229.79

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1.5x scale

Why These Related Problems?

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