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Finding the Fourth Proportional to 5,579.91, 8,369.87 and 2,499.75

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Solution

The fourth proportional to 5,579.91, 8,369.87 and 2,499.75 is: 3,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.91 : 8,369.87 = 2,499.75 : x
  2. Step 2: Convert to fraction form
    5,579.91/8,369.87 = 2,499.75/x
  3. Step 3: Cross multiply
    5,579.91x = 8,369.87 × 2,499.75
  4. Step 4: Simplify right side
    5,579.91x = 20,922,570.03
  5. Step 5: Solve for x
    x = 20,922,570.03/5,579.91
  6. Step 6: Final answer
    x = 3,749.63

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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.