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Finding the Fourth Proportional to 2,022.72, 3,034.88 and 996

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Solution

The fourth proportional to 2,022.72, 3,034.88 and 996 is: 1,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.72 : 3,034.88 = 996 : x
  2. Step 2: Convert to fraction form
    2,022.72/3,034.88 = 996/x
  3. Step 3: Cross multiply
    2,022.72x = 3,034.88 × 996
  4. Step 4: Simplify right side
    2,022.72x = 3,022,740.48
  5. Step 5: Solve for x
    x = 3,022,740.48/2,022.72
  6. Step 6: Final answer
    x = 1,494.39

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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.