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Finding the Fourth Proportional to 2,241.80, 3,362.33 and 681.44

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Solution

The fourth proportional to 2,241.80, 3,362.33 and 681.44 is: 1,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.80 : 3,362.33 = 681.44 : x
  2. Step 2: Convert to fraction form
    2,241.80/3,362.33 = 681.44/x
  3. Step 3: Cross multiply
    2,241.80x = 3,362.33 × 681.44
  4. Step 4: Simplify right side
    2,241.80x = 2,291,205.94
  5. Step 5: Solve for x
    x = 2,291,205.94/2,241.80
  6. Step 6: Final answer
    x = 1,022.04

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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.