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Finding the Fourth Proportional to 3,633.78, 5,452.16 and 1,294.23

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Solution

The fourth proportional to 3,633.78, 5,452.16 and 1,294.23 is: 1,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.78 : 5,452.16 = 1,294.23 : x
  2. Step 2: Convert to fraction form
    3,633.78/5,452.16 = 1,294.23/x
  3. Step 3: Cross multiply
    3,633.78x = 5,452.16 × 1,294.23
  4. Step 4: Simplify right side
    3,633.78x = 7,056,342.57
  5. Step 5: Solve for x
    x = 7,056,342.57/3,633.78
  6. Step 6: Final answer
    x = 1,941.87

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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.