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Finding the Fourth Proportional to 69,723.66, 96,218.60 and 37,892.56

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Solution

The fourth proportional to 69,723.66, 96,218.60 and 37,892.56 is: 52,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.66 : 96,218.60 = 37,892.56 : x
  2. Step 2: Convert to fraction form
    69,723.66/96,218.60 = 37,892.56/x
  3. Step 3: Cross multiply
    69,723.66x = 96,218.60 × 37,892.56
  4. Step 4: Simplify right side
    69,723.66x = 3,645,969,073.62
  5. Step 5: Solve for x
    x = 3,645,969,073.62/69,723.66
  6. Step 6: Final answer
    x = 52,291.71

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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.