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Finding the Fourth Proportional to 5,990.62, 8,249.22 and 5,857.86

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Solution

The fourth proportional to 5,990.62, 8,249.22 and 5,857.86 is: 8,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.62 : 8,249.22 = 5,857.86 : x
  2. Step 2: Convert to fraction form
    5,990.62/8,249.22 = 5,857.86/x
  3. Step 3: Cross multiply
    5,990.62x = 8,249.22 × 5,857.86
  4. Step 4: Simplify right side
    5,990.62x = 48,322,775.87
  5. Step 5: Solve for x
    x = 48,322,775.87/5,990.62
  6. Step 6: Final answer
    x = 8,066.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.