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Finding the Fourth Proportional to 5,761, 8,593.61 and 5,665.87

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Solution

The fourth proportional to 5,761, 8,593.61 and 5,665.87 is: 8,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761 : 8,593.61 = 5,665.87 : x
  2. Step 2: Convert to fraction form
    5,761/8,593.61 = 5,665.87/x
  3. Step 3: Cross multiply
    5,761x = 8,593.61 × 5,665.87
  4. Step 4: Simplify right side
    5,761x = 48,690,277.09
  5. Step 5: Solve for x
    x = 48,690,277.09/5,761
  6. Step 6: Final answer
    x = 8,451.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.