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Finding the Fourth Proportional to 37,375.36, 51,577.68 and 20,608

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Solution

The fourth proportional to 37,375.36, 51,577.68 and 20,608 is: 28,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,375.36 : 51,577.68 = 20,608 : x
  2. Step 2: Convert to fraction form
    37,375.36/51,577.68 = 20,608/x
  3. Step 3: Cross multiply
    37,375.36x = 51,577.68 × 20,608
  4. Step 4: Simplify right side
    37,375.36x = 1,062,912,829.44
  5. Step 5: Solve for x
    x = 1,062,912,829.44/37,375.36
  6. Step 6: Final answer
    x = 28,438.87

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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.