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Finding the Fourth Proportional to 3,760.03, 5,640.96 and 2,651.61

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Solution

The fourth proportional to 3,760.03, 5,640.96 and 2,651.61 is: 3,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.03 : 5,640.96 = 2,651.61 : x
  2. Step 2: Convert to fraction form
    3,760.03/5,640.96 = 2,651.61/x
  3. Step 3: Cross multiply
    3,760.03x = 5,640.96 × 2,651.61
  4. Step 4: Simplify right side
    3,760.03x = 14,957,625.95
  5. Step 5: Solve for x
    x = 14,957,625.95/3,760.03
  6. Step 6: Final answer
    x = 3,978.06

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1.5x scale

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.