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Finding the Fourth Proportional to 13,751.44, 20,626.56 and 6,353.44

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Solution

The fourth proportional to 13,751.44, 20,626.56 and 6,353.44 is: 9,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.44 : 20,626.56 = 6,353.44 : x
  2. Step 2: Convert to fraction form
    13,751.44/20,626.56 = 6,353.44/x
  3. Step 3: Cross multiply
    13,751.44x = 20,626.56 × 6,353.44
  4. Step 4: Simplify right side
    13,751.44x = 131,049,611.37
  5. Step 5: Solve for x
    x = 131,049,611.37/13,751.44
  6. Step 6: Final answer
    x = 9,529.88

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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.