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Finding the Fourth Proportional to 2,241.48, 3,362.75 and 681.57

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Solution

The fourth proportional to 2,241.48, 3,362.75 and 681.57 is: 1,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.48 : 3,362.75 = 681.57 : x
  2. Step 2: Convert to fraction form
    2,241.48/3,362.75 = 681.57/x
  3. Step 3: Cross multiply
    2,241.48x = 3,362.75 × 681.57
  4. Step 4: Simplify right side
    2,241.48x = 2,291,949.52
  5. Step 5: Solve for x
    x = 2,291,949.52/2,241.48
  6. Step 6: Final answer
    x = 1,022.52

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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.