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Finding the Fourth Proportional to 2,706.35, 3,734.10 and 2,208.20

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Solution

The fourth proportional to 2,706.35, 3,734.10 and 2,208.20 is: 3,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.35 : 3,734.10 = 2,208.20 : x
  2. Step 2: Convert to fraction form
    2,706.35/3,734.10 = 2,208.20/x
  3. Step 3: Cross multiply
    2,706.35x = 3,734.10 × 2,208.20
  4. Step 4: Simplify right side
    2,706.35x = 8,245,620.95
  5. Step 5: Solve for x
    x = 8,245,620.95/2,706.35
  6. Step 6: Final answer
    x = 3,046.77

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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.