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Finding the Fourth Proportional to 4,008.57, 6,006.69 and 3,393.47

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Solution

The fourth proportional to 4,008.57, 6,006.69 and 3,393.47 is: 5,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.57 : 6,006.69 = 3,393.47 : x
  2. Step 2: Convert to fraction form
    4,008.57/6,006.69 = 3,393.47/x
  3. Step 3: Cross multiply
    4,008.57x = 6,006.69 × 3,393.47
  4. Step 4: Simplify right side
    4,008.57x = 20,383,537.33
  5. Step 5: Solve for x
    x = 20,383,537.33/4,008.57
  6. Step 6: Final answer
    x = 5,084.99

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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.