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Finding the Fourth Proportional to 3,608.54, 5,404.60 and 2,823.65

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Solution

The fourth proportional to 3,608.54, 5,404.60 and 2,823.65 is: 4,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.54 : 5,404.60 = 2,823.65 : x
  2. Step 2: Convert to fraction form
    3,608.54/5,404.60 = 2,823.65/x
  3. Step 3: Cross multiply
    3,608.54x = 5,404.60 × 2,823.65
  4. Step 4: Simplify right side
    3,608.54x = 15,260,698.79
  5. Step 5: Solve for x
    x = 15,260,698.79/3,608.54
  6. Step 6: Final answer
    x = 4,229.05

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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.