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Finding the Fourth Proportional to 3,202.78, 4,419.16 and 1,944.49

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Solution

The fourth proportional to 3,202.78, 4,419.16 and 1,944.49 is: 2,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.78 : 4,419.16 = 1,944.49 : x
  2. Step 2: Convert to fraction form
    3,202.78/4,419.16 = 1,944.49/x
  3. Step 3: Cross multiply
    3,202.78x = 4,419.16 × 1,944.49
  4. Step 4: Simplify right side
    3,202.78x = 8,593,018.62
  5. Step 5: Solve for x
    x = 8,593,018.62/3,202.78
  6. Step 6: Final answer
    x = 2,682.99

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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.