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Finding the Fourth Proportional to 5,198.44, 7,799.04 and 1,500.61

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Solution

The fourth proportional to 5,198.44, 7,799.04 and 1,500.61 is: 2,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.44 : 7,799.04 = 1,500.61 : x
  2. Step 2: Convert to fraction form
    5,198.44/7,799.04 = 1,500.61/x
  3. Step 3: Cross multiply
    5,198.44x = 7,799.04 × 1,500.61
  4. Step 4: Simplify right side
    5,198.44x = 11,703,317.41
  5. Step 5: Solve for x
    x = 11,703,317.41/5,198.44
  6. Step 6: Final answer
    x = 2,251.31

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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.