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Finding the Fourth Proportional to 1,793.14, 2,474.54 and 996.47

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Solution

The fourth proportional to 1,793.14, 2,474.54 and 996.47 is: 1,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.14 : 2,474.54 = 996.47 : x
  2. Step 2: Convert to fraction form
    1,793.14/2,474.54 = 996.47/x
  3. Step 3: Cross multiply
    1,793.14x = 2,474.54 × 996.47
  4. Step 4: Simplify right side
    1,793.14x = 2,465,804.87
  5. Step 5: Solve for x
    x = 2,465,804.87/1,793.14
  6. Step 6: Final answer
    x = 1,375.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.