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Finding the Fourth Proportional to 3,929.92, 5,892.62 and 2,350.22

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Solution

The fourth proportional to 3,929.92, 5,892.62 and 2,350.22 is: 3,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.92 : 5,892.62 = 2,350.22 : x
  2. Step 2: Convert to fraction form
    3,929.92/5,892.62 = 2,350.22/x
  3. Step 3: Cross multiply
    3,929.92x = 5,892.62 × 2,350.22
  4. Step 4: Simplify right side
    3,929.92x = 13,848,912.16
  5. Step 5: Solve for x
    x = 13,848,912.16/3,929.92
  6. Step 6: Final answer
    x = 3,523.97

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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.