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Finding the Fourth Proportional to 3,523.92, 4,865.22 and 2,265.54

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Solution

The fourth proportional to 3,523.92, 4,865.22 and 2,265.54 is: 3,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.92 : 4,865.22 = 2,265.54 : x
  2. Step 2: Convert to fraction form
    3,523.92/4,865.22 = 2,265.54/x
  3. Step 3: Cross multiply
    3,523.92x = 4,865.22 × 2,265.54
  4. Step 4: Simplify right side
    3,523.92x = 11,022,350.52
  5. Step 5: Solve for x
    x = 11,022,350.52/3,523.92
  6. Step 6: Final answer
    x = 3,127.87

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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.