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Finding the Fourth Proportional to 6,166.49, 9,261.07 and 3,979.49

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Solution

The fourth proportional to 6,166.49, 9,261.07 and 3,979.49 is: 5,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.49 : 9,261.07 = 3,979.49 : x
  2. Step 2: Convert to fraction form
    6,166.49/9,261.07 = 3,979.49/x
  3. Step 3: Cross multiply
    6,166.49x = 9,261.07 × 3,979.49
  4. Step 4: Simplify right side
    6,166.49x = 36,854,279.20
  5. Step 5: Solve for x
    x = 36,854,279.20/6,166.49
  6. Step 6: Final answer
    x = 5,976.55

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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.