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Finding the Fourth Proportional to 5,761.15, 7,949.10 and 3,370.48

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Solution

The fourth proportional to 5,761.15, 7,949.10 and 3,370.48 is: 4,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.15 : 7,949.10 = 3,370.48 : x
  2. Step 2: Convert to fraction form
    5,761.15/7,949.10 = 3,370.48/x
  3. Step 3: Cross multiply
    5,761.15x = 7,949.10 × 3,370.48
  4. Step 4: Simplify right side
    5,761.15x = 26,792,282.57
  5. Step 5: Solve for x
    x = 26,792,282.57/5,761.15
  6. Step 6: Final answer
    x = 4,650.51

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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.