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Finding the Fourth Proportional to 3,266.22, 4,899.20 and 800.92

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Solution

The fourth proportional to 3,266.22, 4,899.20 and 800.92 is: 1,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.22 : 4,899.20 = 800.92 : x
  2. Step 2: Convert to fraction form
    3,266.22/4,899.20 = 800.92/x
  3. Step 3: Cross multiply
    3,266.22x = 4,899.20 × 800.92
  4. Step 4: Simplify right side
    3,266.22x = 3,923,867.26
  5. Step 5: Solve for x
    x = 3,923,867.26/3,266.22
  6. Step 6: Final answer
    x = 1,201.35

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1.5x scale

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.