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Finding the Fourth Proportional to 5,739.87, 8,613.13 and 2,407.83

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Solution

The fourth proportional to 5,739.87, 8,613.13 and 2,407.83 is: 3,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.87 : 8,613.13 = 2,407.83 : x
  2. Step 2: Convert to fraction form
    5,739.87/8,613.13 = 2,407.83/x
  3. Step 3: Cross multiply
    5,739.87x = 8,613.13 × 2,407.83
  4. Step 4: Simplify right side
    5,739.87x = 20,738,923.52
  5. Step 5: Solve for x
    x = 20,738,923.52/5,739.87
  6. Step 6: Final answer
    x = 3,613.13

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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.