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Finding the Fourth Proportional to 69,505.26, 95,917.77 and 37,674.39

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Solution

The fourth proportional to 69,505.26, 95,917.77 and 37,674.39 is: 51,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505.26 : 95,917.77 = 37,674.39 : x
  2. Step 2: Convert to fraction form
    69,505.26/95,917.77 = 37,674.39/x
  3. Step 3: Cross multiply
    69,505.26x = 95,917.77 × 37,674.39
  4. Step 4: Simplify right side
    69,505.26x = 3,613,643,474.91
  5. Step 5: Solve for x
    x = 3,613,643,474.91/69,505.26
  6. Step 6: Final answer
    x = 51,990.94

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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.