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Finding the Fourth Proportional to 3,679.67, 5,544.06 and 3,328.68

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Solution

The fourth proportional to 3,679.67, 5,544.06 and 3,328.68 is: 5,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.67 : 5,544.06 = 3,328.68 : x
  2. Step 2: Convert to fraction form
    3,679.67/5,544.06 = 3,328.68/x
  3. Step 3: Cross multiply
    3,679.67x = 5,544.06 × 3,328.68
  4. Step 4: Simplify right side
    3,679.67x = 18,454,401.64
  5. Step 5: Solve for x
    x = 18,454,401.64/3,679.67
  6. Step 6: Final answer
    x = 5,015.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.