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Finding the Fourth Proportional to 33,342.70, 49,904.70 and 25,906.90

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Solution

The fourth proportional to 33,342.70, 49,904.70 and 25,906.90 is: 38,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342.70 : 49,904.70 = 25,906.90 : x
  2. Step 2: Convert to fraction form
    33,342.70/49,904.70 = 25,906.90/x
  3. Step 3: Cross multiply
    33,342.70x = 49,904.70 × 25,906.90
  4. Step 4: Simplify right side
    33,342.70x = 1,292,876,072.43
  5. Step 5: Solve for x
    x = 1,292,876,072.43/33,342.70
  6. Step 6: Final answer
    x = 38,775.39

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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.