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Finding the Fourth Proportional to 41,176.44, 56,456.78 and 40,782.78

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Solution

The fourth proportional to 41,176.44, 56,456.78 and 40,782.78 is: 55,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,176.44 : 56,456.78 = 40,782.78 : x
  2. Step 2: Convert to fraction form
    41,176.44/56,456.78 = 40,782.78/x
  3. Step 3: Cross multiply
    41,176.44x = 56,456.78 × 40,782.78
  4. Step 4: Simplify right side
    41,176.44x = 2,302,464,234.33
  5. Step 5: Solve for x
    x = 2,302,464,234.33/41,176.44
  6. Step 6: Final answer
    x = 55,917.03

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.