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Finding the Fourth Proportional to 22,201.78, 33,301.89 and 5,561.95

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Solution

The fourth proportional to 22,201.78, 33,301.89 and 5,561.95 is: 8,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.78 : 33,301.89 = 5,561.95 : x
  2. Step 2: Convert to fraction form
    22,201.78/33,301.89 = 5,561.95/x
  3. Step 3: Cross multiply
    22,201.78x = 33,301.89 × 5,561.95
  4. Step 4: Simplify right side
    22,201.78x = 185,223,447.09
  5. Step 5: Solve for x
    x = 185,223,447.09/22,201.78
  6. Step 6: Final answer
    x = 8,342.73

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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.