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Finding the Fourth Proportional to 41,558, 62,340.26 and 13,856

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Solution

The fourth proportional to 41,558, 62,340.26 and 13,856 is: 20,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,558 : 62,340.26 = 13,856 : x
  2. Step 2: Convert to fraction form
    41,558/62,340.26 = 13,856/x
  3. Step 3: Cross multiply
    41,558x = 62,340.26 × 13,856
  4. Step 4: Simplify right side
    41,558x = 863,786,642.56
  5. Step 5: Solve for x
    x = 863,786,642.56/41,558
  6. Step 6: Final answer
    x = 20,785.09

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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.