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Finding the Fourth Proportional to 8,944.70, 13,414.01 and 3,396.70

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Solution

The fourth proportional to 8,944.70, 13,414.01 and 3,396.70 is: 5,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.70 : 13,414.01 = 3,396.70 : x
  2. Step 2: Convert to fraction form
    8,944.70/13,414.01 = 3,396.70/x
  3. Step 3: Cross multiply
    8,944.70x = 13,414.01 × 3,396.70
  4. Step 4: Simplify right side
    8,944.70x = 45,563,367.55
  5. Step 5: Solve for x
    x = 45,563,367.55/8,944.70
  6. Step 6: Final answer
    x = 5,093.90

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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.