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Finding the Fourth Proportional to 3,369.75, 5,049.04 and 2,049.51

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Solution

The fourth proportional to 3,369.75, 5,049.04 and 2,049.51 is: 3,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.75 : 5,049.04 = 2,049.51 : x
  2. Step 2: Convert to fraction form
    3,369.75/5,049.04 = 2,049.51/x
  3. Step 3: Cross multiply
    3,369.75x = 5,049.04 × 2,049.51
  4. Step 4: Simplify right side
    3,369.75x = 10,348,035.10
  5. Step 5: Solve for x
    x = 10,348,035.10/3,369.75
  6. Step 6: Final answer
    x = 3,070.86

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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.