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Finding the Fourth Proportional to 64,453.42, 96,679.90 and 36,360.73

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Solution

The fourth proportional to 64,453.42, 96,679.90 and 36,360.73 is: 54,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.42 : 96,679.90 = 36,360.73 : x
  2. Step 2: Convert to fraction form
    64,453.42/96,679.90 = 36,360.73/x
  3. Step 3: Cross multiply
    64,453.42x = 96,679.90 × 36,360.73
  4. Step 4: Simplify right side
    64,453.42x = 3,515,351,740.33
  5. Step 5: Solve for x
    x = 3,515,351,740.33/64,453.42
  6. Step 6: Final answer
    x = 54,540.97

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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.