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Finding the Fourth Proportional to 4,799.82, 6,626.88 and 3,099.09

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Solution

The fourth proportional to 4,799.82, 6,626.88 and 3,099.09 is: 4,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.82 : 6,626.88 = 3,099.09 : x
  2. Step 2: Convert to fraction form
    4,799.82/6,626.88 = 3,099.09/x
  3. Step 3: Cross multiply
    4,799.82x = 6,626.88 × 3,099.09
  4. Step 4: Simplify right side
    4,799.82x = 20,537,297.54
  5. Step 5: Solve for x
    x = 20,537,297.54/4,799.82
  6. Step 6: Final answer
    x = 4,278.76

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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.