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Finding the Fourth Proportional to 36,721.66, 50,676.21 and 19,954.66

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Solution

The fourth proportional to 36,721.66, 50,676.21 and 19,954.66 is: 27,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.66 : 50,676.21 = 19,954.66 : x
  2. Step 2: Convert to fraction form
    36,721.66/50,676.21 = 19,954.66/x
  3. Step 3: Cross multiply
    36,721.66x = 50,676.21 × 19,954.66
  4. Step 4: Simplify right side
    36,721.66x = 1,011,226,540.64
  5. Step 5: Solve for x
    x = 1,011,226,540.64/36,721.66
  6. Step 6: Final answer
    x = 27,537.60

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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.