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Finding the Fourth Proportional to 3,060.56, 4,591.17 and 979.82

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Solution

The fourth proportional to 3,060.56, 4,591.17 and 979.82 is: 1,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.56 : 4,591.17 = 979.82 : x
  2. Step 2: Convert to fraction form
    3,060.56/4,591.17 = 979.82/x
  3. Step 3: Cross multiply
    3,060.56x = 4,591.17 × 979.82
  4. Step 4: Simplify right side
    3,060.56x = 4,498,531.67
  5. Step 5: Solve for x
    x = 4,498,531.67/3,060.56
  6. Step 6: Final answer
    x = 1,469.84

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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.