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Finding the Fourth Proportional to 7,198.35, 10,799.04 and 4,079.85

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Solution

The fourth proportional to 7,198.35, 10,799.04 and 4,079.85 is: 6,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.35 : 10,799.04 = 4,079.85 : x
  2. Step 2: Convert to fraction form
    7,198.35/10,799.04 = 4,079.85/x
  3. Step 3: Cross multiply
    7,198.35x = 10,799.04 × 4,079.85
  4. Step 4: Simplify right side
    7,198.35x = 44,058,463.34
  5. Step 5: Solve for x
    x = 44,058,463.34/7,198.35
  6. Step 6: Final answer
    x = 6,120.63

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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.