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Finding the Fourth Proportional to 7,229.92, 10,841.04 and 3,331

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Solution

The fourth proportional to 7,229.92, 10,841.04 and 3,331 is: 4,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.92 : 10,841.04 = 3,331 : x
  2. Step 2: Convert to fraction form
    7,229.92/10,841.04 = 3,331/x
  3. Step 3: Cross multiply
    7,229.92x = 10,841.04 × 3,331
  4. Step 4: Simplify right side
    7,229.92x = 36,111,504.24
  5. Step 5: Solve for x
    x = 36,111,504.24/7,229.92
  6. Step 6: Final answer
    x = 4,994.73

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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.