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Finding the Fourth Proportional to 10,788.88, 16,183.32 and 2,997.68

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Solution

The fourth proportional to 10,788.88, 16,183.32 and 2,997.68 is: 4,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.88 : 16,183.32 = 2,997.68 : x
  2. Step 2: Convert to fraction form
    10,788.88/16,183.32 = 2,997.68/x
  3. Step 3: Cross multiply
    10,788.88x = 16,183.32 × 2,997.68
  4. Step 4: Simplify right side
    10,788.88x = 48,512,414.70
  5. Step 5: Solve for x
    x = 48,512,414.70/10,788.88
  6. Step 6: Final answer
    x = 4,496.52

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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.