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Finding the Fourth Proportional to 2,074.73, 3,112.07 and 535.73

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Solution

The fourth proportional to 2,074.73, 3,112.07 and 535.73 is: 803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.73 : 3,112.07 = 535.73 : x
  2. Step 2: Convert to fraction form
    2,074.73/3,112.07 = 535.73/x
  3. Step 3: Cross multiply
    2,074.73x = 3,112.07 × 535.73
  4. Step 4: Simplify right side
    2,074.73x = 1,667,229.26
  5. Step 5: Solve for x
    x = 1,667,229.26/2,074.73
  6. Step 6: Final answer
    x = 803.59

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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.