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Finding the Fourth Proportional to 5,736.65, 8,608.12 and 2,226.80

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Solution

The fourth proportional to 5,736.65, 8,608.12 and 2,226.80 is: 3,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.65 : 8,608.12 = 2,226.80 : x
  2. Step 2: Convert to fraction form
    5,736.65/8,608.12 = 2,226.80/x
  3. Step 3: Cross multiply
    5,736.65x = 8,608.12 × 2,226.80
  4. Step 4: Simplify right side
    5,736.65x = 19,168,561.62
  5. Step 5: Solve for x
    x = 19,168,561.62/5,736.65
  6. Step 6: Final answer
    x = 3,341.42

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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.