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Finding the Fourth Proportional to 41,309.40, 61,877.70 and 22,819.80

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Solution

The fourth proportional to 41,309.40, 61,877.70 and 22,819.80 is: 34,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,309.40 : 61,877.70 = 22,819.80 : x
  2. Step 2: Convert to fraction form
    41,309.40/61,877.70 = 22,819.80/x
  3. Step 3: Cross multiply
    41,309.40x = 61,877.70 × 22,819.80
  4. Step 4: Simplify right side
    41,309.40x = 1,412,036,738.46
  5. Step 5: Solve for x
    x = 1,412,036,738.46/41,309.40
  6. Step 6: Final answer
    x = 34,181.97

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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.