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Finding the Fourth Proportional to 41,193.60, 61,905.60 and 36,124.80

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Solution

The fourth proportional to 41,193.60, 61,905.60 and 36,124.80 is: 54,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,193.60 : 61,905.60 = 36,124.80 : x
  2. Step 2: Convert to fraction form
    41,193.60/61,905.60 = 36,124.80/x
  3. Step 3: Cross multiply
    41,193.60x = 61,905.60 × 36,124.80
  4. Step 4: Simplify right side
    41,193.60x = 2,236,327,418.88
  5. Step 5: Solve for x
    x = 2,236,327,418.88/41,193.60
  6. Step 6: Final answer
    x = 54,288.22

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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.