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Finding the Fourth Proportional to 64,625.58, 96,866.69 and 27,174.56

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Solution

The fourth proportional to 64,625.58, 96,866.69 and 27,174.56 is: 40,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.58 : 96,866.69 = 27,174.56 : x
  2. Step 2: Convert to fraction form
    64,625.58/96,866.69 = 27,174.56/x
  3. Step 3: Cross multiply
    64,625.58x = 96,866.69 × 27,174.56
  4. Step 4: Simplify right side
    64,625.58x = 2,632,309,059.20
  5. Step 5: Solve for x
    x = 2,632,309,059.20/64,625.58
  6. Step 6: Final answer
    x = 40,731.69

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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.