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Finding the Fourth Proportional to 4,718, 7,067.82 and 2,249.44

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Solution

The fourth proportional to 4,718, 7,067.82 and 2,249.44 is: 3,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718 : 7,067.82 = 2,249.44 : x
  2. Step 2: Convert to fraction form
    4,718/7,067.82 = 2,249.44/x
  3. Step 3: Cross multiply
    4,718x = 7,067.82 × 2,249.44
  4. Step 4: Simplify right side
    4,718x = 15,898,637.02
  5. Step 5: Solve for x
    x = 15,898,637.02/4,718
  6. Step 6: Final answer
    x = 3,369.78

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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.