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Finding the Fourth Proportional to 41,143.91, 61,715.41 and 13,063.22

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Solution

The fourth proportional to 41,143.91, 61,715.41 and 13,063.22 is: 19,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.91 : 61,715.41 = 13,063.22 : x
  2. Step 2: Convert to fraction form
    41,143.91/61,715.41 = 13,063.22/x
  3. Step 3: Cross multiply
    41,143.91x = 61,715.41 × 13,063.22
  4. Step 4: Simplify right side
    41,143.91x = 806,201,604.33
  5. Step 5: Solve for x
    x = 806,201,604.33/41,143.91
  6. Step 6: Final answer
    x = 19,594.68

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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.