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Finding the Fourth Proportional to 3,581.73, 5,335.67 and 3,472.92

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Solution

The fourth proportional to 3,581.73, 5,335.67 and 3,472.92 is: 5,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.73 : 5,335.67 = 3,472.92 : x
  2. Step 2: Convert to fraction form
    3,581.73/5,335.67 = 3,472.92/x
  3. Step 3: Cross multiply
    3,581.73x = 5,335.67 × 3,472.92
  4. Step 4: Simplify right side
    3,581.73x = 18,530,337.69
  5. Step 5: Solve for x
    x = 18,530,337.69/3,581.73
  6. Step 6: Final answer
    x = 5,173.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.