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Finding the Fourth Proportional to 4,942.96, 6,819.22 and 3,241

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Solution

The fourth proportional to 4,942.96, 6,819.22 and 3,241 is: 4,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.96 : 6,819.22 = 3,241 : x
  2. Step 2: Convert to fraction form
    4,942.96/6,819.22 = 3,241/x
  3. Step 3: Cross multiply
    4,942.96x = 6,819.22 × 3,241
  4. Step 4: Simplify right side
    4,942.96x = 22,101,092.02
  5. Step 5: Solve for x
    x = 22,101,092.02/4,942.96
  6. Step 6: Final answer
    x = 4,471.23

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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.