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Finding the Fourth Proportional to 11,073.70, 16,610.55 and 5,241.70

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Solution

The fourth proportional to 11,073.70, 16,610.55 and 5,241.70 is: 7,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.70 : 16,610.55 = 5,241.70 : x
  2. Step 2: Convert to fraction form
    11,073.70/16,610.55 = 5,241.70/x
  3. Step 3: Cross multiply
    11,073.70x = 16,610.55 × 5,241.70
  4. Step 4: Simplify right side
    11,073.70x = 87,067,519.94
  5. Step 5: Solve for x
    x = 87,067,519.94/11,073.70
  6. Step 6: Final answer
    x = 7,862.55

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Similar ratio
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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.