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Finding the Fourth Proportional to 22,172.84, 33,241.70 and 11,073.42

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Solution

The fourth proportional to 22,172.84, 33,241.70 and 11,073.42 is: 16,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.84 : 33,241.70 = 11,073.42 : x
  2. Step 2: Convert to fraction form
    22,172.84/33,241.70 = 11,073.42/x
  3. Step 3: Cross multiply
    22,172.84x = 33,241.70 × 11,073.42
  4. Step 4: Simplify right side
    22,172.84x = 368,099,305.61
  5. Step 5: Solve for x
    x = 368,099,305.61/22,172.84
  6. Step 6: Final answer
    x = 16,601.36

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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.