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Finding the Fourth Proportional to 3,202.44, 4,419.74 and 1,805.44

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Solution

The fourth proportional to 3,202.44, 4,419.74 and 1,805.44 is: 2,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.44 : 4,419.74 = 1,805.44 : x
  2. Step 2: Convert to fraction form
    3,202.44/4,419.74 = 1,805.44/x
  3. Step 3: Cross multiply
    3,202.44x = 4,419.74 × 1,805.44
  4. Step 4: Simplify right side
    3,202.44x = 7,979,575.39
  5. Step 5: Solve for x
    x = 7,979,575.39/3,202.44
  6. Step 6: Final answer
    x = 2,491.72

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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.