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Finding the Fourth Proportional to 36,722, 50,676.36 and 19,955

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Solution

The fourth proportional to 36,722, 50,676.36 and 19,955 is: 27,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722 : 50,676.36 = 19,955 : x
  2. Step 2: Convert to fraction form
    36,722/50,676.36 = 19,955/x
  3. Step 3: Cross multiply
    36,722x = 50,676.36 × 19,955
  4. Step 4: Simplify right side
    36,722x = 1,011,246,763.80
  5. Step 5: Solve for x
    x = 1,011,246,763.80/36,722
  6. Step 6: Final answer
    x = 27,537.90

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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.