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Finding the Fourth Proportional to 3,266.02, 4,899 and 800.85

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Solution

The fourth proportional to 3,266.02, 4,899 and 800.85 is: 1,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.02 : 4,899 = 800.85 : x
  2. Step 2: Convert to fraction form
    3,266.02/4,899 = 800.85/x
  3. Step 3: Cross multiply
    3,266.02x = 4,899 × 800.85
  4. Step 4: Simplify right side
    3,266.02x = 3,923,364.15
  5. Step 5: Solve for x
    x = 3,923,364.15/3,266.02
  6. Step 6: Final answer
    x = 1,201.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.