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Finding the Fourth Proportional to 5,757.61, 7,945.45 and 3,273.61

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Solution

The fourth proportional to 5,757.61, 7,945.45 and 3,273.61 is: 4,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.61 : 7,945.45 = 3,273.61 : x
  2. Step 2: Convert to fraction form
    5,757.61/7,945.45 = 3,273.61/x
  3. Step 3: Cross multiply
    5,757.61x = 7,945.45 × 3,273.61
  4. Step 4: Simplify right side
    5,757.61x = 26,010,304.57
  5. Step 5: Solve for x
    x = 26,010,304.57/5,757.61
  6. Step 6: Final answer
    x = 4,517.55

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1.5x scale

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.