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Finding the Fourth Proportional to 3,586.38, 4,949.11 and 1,993.03

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Solution

The fourth proportional to 3,586.38, 4,949.11 and 1,993.03 is: 2,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.38 : 4,949.11 = 1,993.03 : x
  2. Step 2: Convert to fraction form
    3,586.38/4,949.11 = 1,993.03/x
  3. Step 3: Cross multiply
    3,586.38x = 4,949.11 × 1,993.03
  4. Step 4: Simplify right side
    3,586.38x = 9,863,724.70
  5. Step 5: Solve for x
    x = 9,863,724.70/3,586.38
  6. Step 6: Final answer
    x = 2,750.33

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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.