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Finding the Fourth Proportional to 41,893.38, 62,840.38 and 12,311.64

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Solution

The fourth proportional to 41,893.38, 62,840.38 and 12,311.64 is: 18,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,893.38 : 62,840.38 = 12,311.64 : x
  2. Step 2: Convert to fraction form
    41,893.38/62,840.38 = 12,311.64/x
  3. Step 3: Cross multiply
    41,893.38x = 62,840.38 × 12,311.64
  4. Step 4: Simplify right side
    41,893.38x = 773,668,136.02
  5. Step 5: Solve for x
    x = 773,668,136.02/41,893.38
  6. Step 6: Final answer
    x = 18,467.55

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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.