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Finding the Fourth Proportional to 36,200.40, 54,300.60 and 32,919.90

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Solution

The fourth proportional to 36,200.40, 54,300.60 and 32,919.90 is: 49,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.40 : 54,300.60 = 32,919.90 : x
  2. Step 2: Convert to fraction form
    36,200.40/54,300.60 = 32,919.90/x
  3. Step 3: Cross multiply
    36,200.40x = 54,300.60 × 32,919.90
  4. Step 4: Simplify right side
    36,200.40x = 1,787,570,321.94
  5. Step 5: Solve for x
    x = 1,787,570,321.94/36,200.40
  6. Step 6: Final answer
    x = 49,379.85

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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.