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Finding the Fourth Proportional to 3,166.88, 4,743.68 and 2,006.88

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Solution

The fourth proportional to 3,166.88, 4,743.68 and 2,006.88 is: 3,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.88 : 4,743.68 = 2,006.88 : x
  2. Step 2: Convert to fraction form
    3,166.88/4,743.68 = 2,006.88/x
  3. Step 3: Cross multiply
    3,166.88x = 4,743.68 × 2,006.88
  4. Step 4: Simplify right side
    3,166.88x = 9,519,996.52
  5. Step 5: Solve for x
    x = 9,519,996.52/3,166.88
  6. Step 6: Final answer
    x = 3,006.11

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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.