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Finding the Fourth Proportional to 2,728.96, 4,092.24 and 996.38

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Solution

The fourth proportional to 2,728.96, 4,092.24 and 996.38 is: 1,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.96 : 4,092.24 = 996.38 : x
  2. Step 2: Convert to fraction form
    2,728.96/4,092.24 = 996.38/x
  3. Step 3: Cross multiply
    2,728.96x = 4,092.24 × 996.38
  4. Step 4: Simplify right side
    2,728.96x = 4,077,426.09
  5. Step 5: Solve for x
    x = 4,077,426.09/2,728.96
  6. Step 6: Final answer
    x = 1,494.13

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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.