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Finding the Fourth Proportional to 41,203.80, 61,821.90 and 16,239.60

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Solution

The fourth proportional to 41,203.80, 61,821.90 and 16,239.60 is: 24,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,203.80 : 61,821.90 = 16,239.60 : x
  2. Step 2: Convert to fraction form
    41,203.80/61,821.90 = 16,239.60/x
  3. Step 3: Cross multiply
    41,203.80x = 61,821.90 × 16,239.60
  4. Step 4: Simplify right side
    41,203.80x = 1,003,962,927.24
  5. Step 5: Solve for x
    x = 1,003,962,927.24/41,203.80
  6. Step 6: Final answer
    x = 24,365.78

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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.