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Finding the Fourth Proportional to 64,608.44, 89,159.93 and 35,930.73

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Solution

The fourth proportional to 64,608.44, 89,159.93 and 35,930.73 is: 49,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,608.44 : 89,159.93 = 35,930.73 : x
  2. Step 2: Convert to fraction form
    64,608.44/89,159.93 = 35,930.73/x
  3. Step 3: Cross multiply
    64,608.44x = 89,159.93 × 35,930.73
  4. Step 4: Simplify right side
    64,608.44x = 3,203,581,371.65
  5. Step 5: Solve for x
    x = 3,203,581,371.65/64,608.44
  6. Step 6: Final answer
    x = 49,584.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.