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Finding the Fourth Proportional to 7,249.67, 10,869.03 and 3,738.16

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Solution

The fourth proportional to 7,249.67, 10,869.03 and 3,738.16 is: 5,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.67 : 10,869.03 = 3,738.16 : x
  2. Step 2: Convert to fraction form
    7,249.67/10,869.03 = 3,738.16/x
  3. Step 3: Cross multiply
    7,249.67x = 10,869.03 × 3,738.16
  4. Step 4: Simplify right side
    7,249.67x = 40,630,186.77
  5. Step 5: Solve for x
    x = 40,630,186.77/7,249.67
  6. Step 6: Final answer
    x = 5,604.42

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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.