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Finding the Fourth Proportional to 3,578.65, 5,369.19 and 3,233.59

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Solution

The fourth proportional to 3,578.65, 5,369.19 and 3,233.59 is: 4,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.65 : 5,369.19 = 3,233.59 : x
  2. Step 2: Convert to fraction form
    3,578.65/5,369.19 = 3,233.59/x
  3. Step 3: Cross multiply
    3,578.65x = 5,369.19 × 3,233.59
  4. Step 4: Simplify right side
    3,578.65x = 17,361,759.09
  5. Step 5: Solve for x
    x = 17,361,759.09/3,578.65
  6. Step 6: Final answer
    x = 4,851.48

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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.