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Finding the Fourth Proportional to 63,620.80, 95,349.60 and 35,540.80

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Solution

The fourth proportional to 63,620.80, 95,349.60 and 35,540.80 is: 53,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.80 : 95,349.60 = 35,540.80 : x
  2. Step 2: Convert to fraction form
    63,620.80/95,349.60 = 35,540.80/x
  3. Step 3: Cross multiply
    63,620.80x = 95,349.60 × 35,540.80
  4. Step 4: Simplify right side
    63,620.80x = 3,388,801,063.68
  5. Step 5: Solve for x
    x = 3,388,801,063.68/63,620.80
  6. Step 6: Final answer
    x = 53,265.62

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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.