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Finding the Fourth Proportional to 2,481.96, 3,424.95 and 1,362.90

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Solution

The fourth proportional to 2,481.96, 3,424.95 and 1,362.90 is: 1,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.96 : 3,424.95 = 1,362.90 : x
  2. Step 2: Convert to fraction form
    2,481.96/3,424.95 = 1,362.90/x
  3. Step 3: Cross multiply
    2,481.96x = 3,424.95 × 1,362.90
  4. Step 4: Simplify right side
    2,481.96x = 4,667,856.62
  5. Step 5: Solve for x
    x = 4,667,856.62/2,481.96
  6. Step 6: Final answer
    x = 1,880.71

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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.