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Finding the Fourth Proportional to 5,879.80, 8,819.59 and 2,369.73

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Solution

The fourth proportional to 5,879.80, 8,819.59 and 2,369.73 is: 3,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.80 : 8,819.59 = 2,369.73 : x
  2. Step 2: Convert to fraction form
    5,879.80/8,819.59 = 2,369.73/x
  3. Step 3: Cross multiply
    5,879.80x = 8,819.59 × 2,369.73
  4. Step 4: Simplify right side
    5,879.80x = 20,900,047.01
  5. Step 5: Solve for x
    x = 20,900,047.01/5,879.80
  6. Step 6: Final answer
    x = 3,554.55

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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.