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Finding the Fourth Proportional to 3,569.51, 5,372.87 and 3,229.92

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Solution

The fourth proportional to 3,569.51, 5,372.87 and 3,229.92 is: 4,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.51 : 5,372.87 = 3,229.92 : x
  2. Step 2: Convert to fraction form
    3,569.51/5,372.87 = 3,229.92/x
  3. Step 3: Cross multiply
    3,569.51x = 5,372.87 × 3,229.92
  4. Step 4: Simplify right side
    3,569.51x = 17,353,948.35
  5. Step 5: Solve for x
    x = 17,353,948.35/3,569.51
  6. Step 6: Final answer
    x = 4,861.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.