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Finding the Fourth Proportional to 33,845, 46,699.62 and 21,906.68

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Solution

The fourth proportional to 33,845, 46,699.62 and 21,906.68 is: 30,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,845 : 46,699.62 = 21,906.68 : x
  2. Step 2: Convert to fraction form
    33,845/46,699.62 = 21,906.68/x
  3. Step 3: Cross multiply
    33,845x = 46,699.62 × 21,906.68
  4. Step 4: Simplify right side
    33,845x = 1,023,033,631.46
  5. Step 5: Solve for x
    x = 1,023,033,631.46/33,845
  6. Step 6: Final answer
    x = 30,227.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.