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Finding the Fourth Proportional to 33,910, 46,795.80 and 20,662

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Solution

The fourth proportional to 33,910, 46,795.80 and 20,662 is: 28,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910 : 46,795.80 = 20,662 : x
  2. Step 2: Convert to fraction form
    33,910/46,795.80 = 20,662/x
  3. Step 3: Cross multiply
    33,910x = 46,795.80 × 20,662
  4. Step 4: Simplify right side
    33,910x = 966,894,819.60
  5. Step 5: Solve for x
    x = 966,894,819.60/33,910
  6. Step 6: Final answer
    x = 28,513.56

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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.