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Finding the Fourth Proportional to 2,049.07, 3,073.20 and 662.07

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Solution

The fourth proportional to 2,049.07, 3,073.20 and 662.07 is: 992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.07 : 3,073.20 = 662.07 : x
  2. Step 2: Convert to fraction form
    2,049.07/3,073.20 = 662.07/x
  3. Step 3: Cross multiply
    2,049.07x = 3,073.20 × 662.07
  4. Step 4: Simplify right side
    2,049.07x = 2,034,658.16
  5. Step 5: Solve for x
    x = 2,034,658.16/2,049.07
  6. Step 6: Final answer
    x = 992.97

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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.