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Finding the Fourth Proportional to 50,672.54, 75,992.30 and 21,082.44

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Solution

The fourth proportional to 50,672.54, 75,992.30 and 21,082.44 is: 31,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.54 : 75,992.30 = 21,082.44 : x
  2. Step 2: Convert to fraction form
    50,672.54/75,992.30 = 21,082.44/x
  3. Step 3: Cross multiply
    50,672.54x = 75,992.30 × 21,082.44
  4. Step 4: Simplify right side
    50,672.54x = 1,602,103,105.21
  5. Step 5: Solve for x
    x = 1,602,103,105.21/50,672.54
  6. Step 6: Final answer
    x = 31,616.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.