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Finding the Fourth Proportional to 41,768.78, 62,664.74 and 19,286.33

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Solution

The fourth proportional to 41,768.78, 62,664.74 and 19,286.33 is: 28,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,768.78 : 62,664.74 = 19,286.33 : x
  2. Step 2: Convert to fraction form
    41,768.78/62,664.74 = 19,286.33/x
  3. Step 3: Cross multiply
    41,768.78x = 62,664.74 × 19,286.33
  4. Step 4: Simplify right side
    41,768.78x = 1,208,572,855.00
  5. Step 5: Solve for x
    x = 1,208,572,855.00/41,768.78
  6. Step 6: Final answer
    x = 28,934.84

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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.