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Finding the Fourth Proportional to 3,817.92, 5,252.22 and 3,367.56

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Solution

The fourth proportional to 3,817.92, 5,252.22 and 3,367.56 is: 4,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.92 : 5,252.22 = 3,367.56 : x
  2. Step 2: Convert to fraction form
    3,817.92/5,252.22 = 3,367.56/x
  3. Step 3: Cross multiply
    3,817.92x = 5,252.22 × 3,367.56
  4. Step 4: Simplify right side
    3,817.92x = 17,687,165.98
  5. Step 5: Solve for x
    x = 17,687,165.98/3,817.92
  6. Step 6: Final answer
    x = 4,632.67

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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.