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Finding the Fourth Proportional to 22,163.44, 33,245.08 and 9,012.72

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Solution

The fourth proportional to 22,163.44, 33,245.08 and 9,012.72 is: 13,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.44 : 33,245.08 = 9,012.72 : x
  2. Step 2: Convert to fraction form
    22,163.44/33,245.08 = 9,012.72/x
  3. Step 3: Cross multiply
    22,163.44x = 33,245.08 × 9,012.72
  4. Step 4: Simplify right side
    22,163.44x = 299,628,597.42
  5. Step 5: Solve for x
    x = 299,628,597.42/22,163.44
  6. Step 6: Final answer
    x = 13,519.05

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Double scale
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Similar ratio
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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.