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Finding the Fourth Proportional to 64,404.43, 96,481.55 and 36,238.60

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Solution

The fourth proportional to 64,404.43, 96,481.55 and 36,238.60 is: 54,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,404.43 : 96,481.55 = 36,238.60 : x
  2. Step 2: Convert to fraction form
    64,404.43/96,481.55 = 36,238.60/x
  3. Step 3: Cross multiply
    64,404.43x = 96,481.55 × 36,238.60
  4. Step 4: Simplify right side
    64,404.43x = 3,496,356,297.83
  5. Step 5: Solve for x
    x = 3,496,356,297.83/64,404.43
  6. Step 6: Final answer
    x = 54,287.51

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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.