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Finding the Fourth Proportional to 2,006.92, 3,011.82 and 708.52

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Solution

The fourth proportional to 2,006.92, 3,011.82 and 708.52 is: 1,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.92 : 3,011.82 = 708.52 : x
  2. Step 2: Convert to fraction form
    2,006.92/3,011.82 = 708.52/x
  3. Step 3: Cross multiply
    2,006.92x = 3,011.82 × 708.52
  4. Step 4: Simplify right side
    2,006.92x = 2,133,934.71
  5. Step 5: Solve for x
    x = 2,133,934.71/2,006.92
  6. Step 6: Final answer
    x = 1,063.29

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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.