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Finding the Fourth Proportional to 22,163.72, 33,241.98 and 7,372.84

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Solution

The fourth proportional to 22,163.72, 33,241.98 and 7,372.84 is: 11,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.72 : 33,241.98 = 7,372.84 : x
  2. Step 2: Convert to fraction form
    22,163.72/33,241.98 = 7,372.84/x
  3. Step 3: Cross multiply
    22,163.72x = 33,241.98 × 7,372.84
  4. Step 4: Simplify right side
    22,163.72x = 245,087,799.82
  5. Step 5: Solve for x
    x = 245,087,799.82/22,163.72
  6. Step 6: Final answer
    x = 11,058.06

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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.