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Finding the Fourth Proportional to 8,944.56, 13,408.56 and 3,396.24

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Solution

The fourth proportional to 8,944.56, 13,408.56 and 3,396.24 is: 5,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.56 : 13,408.56 = 3,396.24 : x
  2. Step 2: Convert to fraction form
    8,944.56/13,408.56 = 3,396.24/x
  3. Step 3: Cross multiply
    8,944.56x = 13,408.56 × 3,396.24
  4. Step 4: Simplify right side
    8,944.56x = 45,538,687.81
  5. Step 5: Solve for x
    x = 45,538,687.81/8,944.56
  6. Step 6: Final answer
    x = 5,091.22

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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.