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Finding the Fourth Proportional to 3,672.54, 5,074.45 and 3,229.67

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Solution

The fourth proportional to 3,672.54, 5,074.45 and 3,229.67 is: 4,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.54 : 5,074.45 = 3,229.67 : x
  2. Step 2: Convert to fraction form
    3,672.54/5,074.45 = 3,229.67/x
  3. Step 3: Cross multiply
    3,672.54x = 5,074.45 × 3,229.67
  4. Step 4: Simplify right side
    3,672.54x = 16,388,803.54
  5. Step 5: Solve for x
    x = 16,388,803.54/3,672.54
  6. Step 6: Final answer
    x = 4,462.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.