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Finding the Fourth Proportional to 41,893.88, 62,821.06 and 15,221.07

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Solution

The fourth proportional to 41,893.88, 62,821.06 and 15,221.07 is: 22,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,893.88 : 62,821.06 = 15,221.07 : x
  2. Step 2: Convert to fraction form
    41,893.88/62,821.06 = 15,221.07/x
  3. Step 3: Cross multiply
    41,893.88x = 62,821.06 × 15,221.07
  4. Step 4: Simplify right side
    41,893.88x = 956,203,751.73
  5. Step 5: Solve for x
    x = 956,203,751.73/41,893.88
  6. Step 6: Final answer
    x = 22,824.43

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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.