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Finding the Fourth Proportional to 3,570.62, 4,922.28 and 2,449.80

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Solution

The fourth proportional to 3,570.62, 4,922.28 and 2,449.80 is: 3,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.62 : 4,922.28 = 2,449.80 : x
  2. Step 2: Convert to fraction form
    3,570.62/4,922.28 = 2,449.80/x
  3. Step 3: Cross multiply
    3,570.62x = 4,922.28 × 2,449.80
  4. Step 4: Simplify right side
    3,570.62x = 12,058,601.54
  5. Step 5: Solve for x
    x = 12,058,601.54/3,570.62
  6. Step 6: Final answer
    x = 3,377.18

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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.