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Finding the Fourth Proportional to 5,610.60, 8,411.10 and 3,961.96

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Solution

The fourth proportional to 5,610.60, 8,411.10 and 3,961.96 is: 5,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.60 : 8,411.10 = 3,961.96 : x
  2. Step 2: Convert to fraction form
    5,610.60/8,411.10 = 3,961.96/x
  3. Step 3: Cross multiply
    5,610.60x = 8,411.10 × 3,961.96
  4. Step 4: Simplify right side
    5,610.60x = 33,324,441.76
  5. Step 5: Solve for x
    x = 33,324,441.76/5,610.60
  6. Step 6: Final answer
    x = 5,939.55

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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.