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Finding the Fourth Proportional to 3,583.92, 5,375.92 and 3,486.72

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Solution

The fourth proportional to 3,583.92, 5,375.92 and 3,486.72 is: 5,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.92 : 5,375.92 = 3,486.72 : x
  2. Step 2: Convert to fraction form
    3,583.92/5,375.92 = 3,486.72/x
  3. Step 3: Cross multiply
    3,583.92x = 5,375.92 × 3,486.72
  4. Step 4: Simplify right side
    3,583.92x = 18,744,327.78
  5. Step 5: Solve for x
    x = 18,744,327.78/3,583.92
  6. Step 6: Final answer
    x = 5,230.12

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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.