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Finding the Fourth Proportional to 22,360.38, 33,556 and 9,212.78

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Solution

The fourth proportional to 22,360.38, 33,556 and 9,212.78 is: 13,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.38 : 33,556 = 9,212.78 : x
  2. Step 2: Convert to fraction form
    22,360.38/33,556 = 9,212.78/x
  3. Step 3: Cross multiply
    22,360.38x = 33,556 × 9,212.78
  4. Step 4: Simplify right side
    22,360.38x = 309,144,045.68
  5. Step 5: Solve for x
    x = 309,144,045.68/22,360.38
  6. Step 6: Final answer
    x = 13,825.53

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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.