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Finding the Fourth Proportional to 41,783.76, 62,693.84 and 15,481.44

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Solution

The fourth proportional to 41,783.76, 62,693.84 and 15,481.44 is: 23,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,783.76 : 62,693.84 = 15,481.44 : x
  2. Step 2: Convert to fraction form
    41,783.76/62,693.84 = 15,481.44/x
  3. Step 3: Cross multiply
    41,783.76x = 62,693.84 × 15,481.44
  4. Step 4: Simplify right side
    41,783.76x = 970,590,922.33
  5. Step 5: Solve for x
    x = 970,590,922.33/41,783.76
  6. Step 6: Final answer
    x = 23,228.90

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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.