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Finding the Fourth Proportional to 3,800.82, 5,241.02 and 3,299.16

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Solution

The fourth proportional to 3,800.82, 5,241.02 and 3,299.16 is: 4,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.82 : 5,241.02 = 3,299.16 : x
  2. Step 2: Convert to fraction form
    3,800.82/5,241.02 = 3,299.16/x
  3. Step 3: Cross multiply
    3,800.82x = 5,241.02 × 3,299.16
  4. Step 4: Simplify right side
    3,800.82x = 17,290,963.54
  5. Step 5: Solve for x
    x = 17,290,963.54/3,800.82
  6. Step 6: Final answer
    x = 4,549.27

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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.