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Finding the Fourth Proportional to 5,771.35, 7,997.92 and 5,660.62

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Solution

The fourth proportional to 5,771.35, 7,997.92 and 5,660.62 is: 7,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.35 : 7,997.92 = 5,660.62 : x
  2. Step 2: Convert to fraction form
    5,771.35/7,997.92 = 5,660.62/x
  3. Step 3: Cross multiply
    5,771.35x = 7,997.92 × 5,660.62
  4. Step 4: Simplify right side
    5,771.35x = 45,273,183.61
  5. Step 5: Solve for x
    x = 45,273,183.61/5,771.35
  6. Step 6: Final answer
    x = 7,844.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.