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Finding the Fourth Proportional to 3,549.62, 5,324.43 and 3,544.49

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Solution

The fourth proportional to 3,549.62, 5,324.43 and 3,544.49 is: 5,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.62 : 5,324.43 = 3,544.49 : x
  2. Step 2: Convert to fraction form
    3,549.62/5,324.43 = 3,544.49/x
  3. Step 3: Cross multiply
    3,549.62x = 5,324.43 × 3,544.49
  4. Step 4: Simplify right side
    3,549.62x = 18,872,362.27
  5. Step 5: Solve for x
    x = 18,872,362.27/3,549.62
  6. Step 6: Final answer
    x = 5,316.73

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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.