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Finding the Fourth Proportional to 36,580.78, 50,481.48 and 19,813.78

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Solution

The fourth proportional to 36,580.78, 50,481.48 and 19,813.78 is: 27,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.78 : 50,481.48 = 19,813.78 : x
  2. Step 2: Convert to fraction form
    36,580.78/50,481.48 = 19,813.78/x
  3. Step 3: Cross multiply
    36,580.78x = 50,481.48 × 19,813.78
  4. Step 4: Simplify right side
    36,580.78x = 1,000,228,964.75
  5. Step 5: Solve for x
    x = 1,000,228,964.75/36,580.78
  6. Step 6: Final answer
    x = 27,343.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.