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Finding the Fourth Proportional to 69,505.57, 95,917.89 and 37,674.59

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Solution

The fourth proportional to 69,505.57, 95,917.89 and 37,674.59 is: 51,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505.57 : 95,917.89 = 37,674.59 : x
  2. Step 2: Convert to fraction form
    69,505.57/95,917.89 = 37,674.59/x
  3. Step 3: Cross multiply
    69,505.57x = 95,917.89 × 37,674.59
  4. Step 4: Simplify right side
    69,505.57x = 3,613,666,991.04
  5. Step 5: Solve for x
    x = 3,613,666,991.04/69,505.57
  6. Step 6: Final answer
    x = 51,991.05

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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.