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Finding the Fourth Proportional to 3,956.82, 5,934.62 and 1,616.74

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Solution

The fourth proportional to 3,956.82, 5,934.62 and 1,616.74 is: 2,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.82 : 5,934.62 = 1,616.74 : x
  2. Step 2: Convert to fraction form
    3,956.82/5,934.62 = 1,616.74/x
  3. Step 3: Cross multiply
    3,956.82x = 5,934.62 × 1,616.74
  4. Step 4: Simplify right side
    3,956.82x = 9,594,737.54
  5. Step 5: Solve for x
    x = 9,594,737.54/3,956.82
  6. Step 6: Final answer
    x = 2,424.86

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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.