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Finding the Fourth Proportional to 7,020.92, 10,532.12 and 2,092

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Solution

The fourth proportional to 7,020.92, 10,532.12 and 2,092 is: 3,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.92 : 10,532.12 = 2,092 : x
  2. Step 2: Convert to fraction form
    7,020.92/10,532.12 = 2,092/x
  3. Step 3: Cross multiply
    7,020.92x = 10,532.12 × 2,092
  4. Step 4: Simplify right side
    7,020.92x = 22,033,195.04
  5. Step 5: Solve for x
    x = 22,033,195.04/7,020.92
  6. Step 6: Final answer
    x = 3,138.22

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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.