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Finding the Fourth Proportional to 3,261.47, 4,892.26 and 796.34

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Solution

The fourth proportional to 3,261.47, 4,892.26 and 796.34 is: 1,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.47 : 4,892.26 = 796.34 : x
  2. Step 2: Convert to fraction form
    3,261.47/4,892.26 = 796.34/x
  3. Step 3: Cross multiply
    3,261.47x = 4,892.26 × 796.34
  4. Step 4: Simplify right side
    3,261.47x = 3,895,902.33
  5. Step 5: Solve for x
    x = 3,895,902.33/3,261.47
  6. Step 6: Final answer
    x = 1,194.52

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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.