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Finding the Fourth Proportional to 3,924, 5,879.52 and 2,463.84

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Solution

The fourth proportional to 3,924, 5,879.52 and 2,463.84 is: 3,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924 : 5,879.52 = 2,463.84 : x
  2. Step 2: Convert to fraction form
    3,924/5,879.52 = 2,463.84/x
  3. Step 3: Cross multiply
    3,924x = 5,879.52 × 2,463.84
  4. Step 4: Simplify right side
    3,924x = 14,486,196.56
  5. Step 5: Solve for x
    x = 14,486,196.56/3,924
  6. Step 6: Final answer
    x = 3,691.69

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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.