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Finding the Fourth Proportional to 40,481.66, 60,608.01 and 21,462.97

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Solution

The fourth proportional to 40,481.66, 60,608.01 and 21,462.97 is: 32,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,481.66 : 60,608.01 = 21,462.97 : x
  2. Step 2: Convert to fraction form
    40,481.66/60,608.01 = 21,462.97/x
  3. Step 3: Cross multiply
    40,481.66x = 60,608.01 × 21,462.97
  4. Step 4: Simplify right side
    40,481.66x = 1,300,827,900.39
  5. Step 5: Solve for x
    x = 1,300,827,900.39/40,481.66
  6. Step 6: Final answer
    x = 32,133.76

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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.