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Finding the Fourth Proportional to 41,144.08, 61,719 and 20,362

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Solution

The fourth proportional to 41,144.08, 61,719 and 20,362 is: 30,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,144.08 : 61,719 = 20,362 : x
  2. Step 2: Convert to fraction form
    41,144.08/61,719 = 20,362/x
  3. Step 3: Cross multiply
    41,144.08x = 61,719 × 20,362
  4. Step 4: Simplify right side
    41,144.08x = 1,256,722,278
  5. Step 5: Solve for x
    x = 1,256,722,278/41,144.08
  6. Step 6: Final answer
    x = 30,544.43

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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.