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Finding the Fourth Proportional to 41,951.63, 62,912.46 and 13,866.50

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Solution

The fourth proportional to 41,951.63, 62,912.46 and 13,866.50 is: 20,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,951.63 : 62,912.46 = 13,866.50 : x
  2. Step 2: Convert to fraction form
    41,951.63/62,912.46 = 13,866.50/x
  3. Step 3: Cross multiply
    41,951.63x = 62,912.46 × 13,866.50
  4. Step 4: Simplify right side
    41,951.63x = 872,375,783.87
  5. Step 5: Solve for x
    x = 872,375,783.87/41,951.63
  6. Step 6: Final answer
    x = 20,794.80

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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.