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Finding the Fourth Proportional to 3,323.91, 4,979.15 and 2,006.92

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Solution

The fourth proportional to 3,323.91, 4,979.15 and 2,006.92 is: 3,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.91 : 4,979.15 = 2,006.92 : x
  2. Step 2: Convert to fraction form
    3,323.91/4,979.15 = 2,006.92/x
  3. Step 3: Cross multiply
    3,323.91x = 4,979.15 × 2,006.92
  4. Step 4: Simplify right side
    3,323.91x = 9,992,720.79
  5. Step 5: Solve for x
    x = 9,992,720.79/3,323.91
  6. Step 6: Final answer
    x = 3,006.32

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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.