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Finding the Fourth Proportional to 3,625.97, 5,000.54 and 3,067.61

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Solution

The fourth proportional to 3,625.97, 5,000.54 and 3,067.61 is: 4,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.97 : 5,000.54 = 3,067.61 : x
  2. Step 2: Convert to fraction form
    3,625.97/5,000.54 = 3,067.61/x
  3. Step 3: Cross multiply
    3,625.97x = 5,000.54 × 3,067.61
  4. Step 4: Simplify right side
    3,625.97x = 15,339,666.17
  5. Step 5: Solve for x
    x = 15,339,666.17/3,625.97
  6. Step 6: Final answer
    x = 4,230.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.