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Finding the Fourth Proportional to 7,593.92, 11,388.12 and 3,211.72

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Solution

The fourth proportional to 7,593.92, 11,388.12 and 3,211.72 is: 4,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,593.92 : 11,388.12 = 3,211.72 : x
  2. Step 2: Convert to fraction form
    7,593.92/11,388.12 = 3,211.72/x
  3. Step 3: Cross multiply
    7,593.92x = 11,388.12 × 3,211.72
  4. Step 4: Simplify right side
    7,593.92x = 36,575,452.77
  5. Step 5: Solve for x
    x = 36,575,452.77/7,593.92
  6. Step 6: Final answer
    x = 4,816.41

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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.