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Finding the Fourth Proportional to 22,166.80, 33,239.10 and 7,370.52

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Solution

The fourth proportional to 22,166.80, 33,239.10 and 7,370.52 is: 11,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.80 : 33,239.10 = 7,370.52 : x
  2. Step 2: Convert to fraction form
    22,166.80/33,239.10 = 7,370.52/x
  3. Step 3: Cross multiply
    22,166.80x = 33,239.10 × 7,370.52
  4. Step 4: Simplify right side
    22,166.80x = 244,989,451.33
  5. Step 5: Solve for x
    x = 244,989,451.33/22,166.80
  6. Step 6: Final answer
    x = 11,052.09

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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.