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Finding the Fourth Proportional to 36,651.76, 54,855.96 and 33,372.40

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Solution

The fourth proportional to 36,651.76, 54,855.96 and 33,372.40 is: 49,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.76 : 54,855.96 = 33,372.40 : x
  2. Step 2: Convert to fraction form
    36,651.76/54,855.96 = 33,372.40/x
  3. Step 3: Cross multiply
    36,651.76x = 54,855.96 × 33,372.40
  4. Step 4: Simplify right side
    36,651.76x = 1,830,675,039.50
  5. Step 5: Solve for x
    x = 1,830,675,039.50/36,651.76
  6. Step 6: Final answer
    x = 49,947.81

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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.