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Finding the Fourth Proportional to 2,708.20, 3,604.25 and 2,708.20

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Solution

The fourth proportional to 2,708.20, 3,604.25 and 2,708.20 is: 3,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.20 : 3,604.25 = 2,708.20 : x
  2. Step 2: Convert to fraction form
    2,708.20/3,604.25 = 2,708.20/x
  3. Step 3: Cross multiply
    2,708.20x = 3,604.25 × 2,708.20
  4. Step 4: Simplify right side
    2,708.20x = 9,761,029.85
  5. Step 5: Solve for x
    x = 9,761,029.85/2,708.20
  6. Step 6: Final answer
    x = 3,604.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.