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Finding the Fourth Proportional to 69,472.89, 95,872.39 and 37,641.87

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Solution

The fourth proportional to 69,472.89, 95,872.39 and 37,641.87 is: 51,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.89 : 95,872.39 = 37,641.87 : x
  2. Step 2: Convert to fraction form
    69,472.89/95,872.39 = 37,641.87/x
  3. Step 3: Cross multiply
    69,472.89x = 95,872.39 × 37,641.87
  4. Step 4: Simplify right side
    69,472.89x = 3,608,816,040.97
  5. Step 5: Solve for x
    x = 3,608,816,040.97/69,472.89
  6. Step 6: Final answer
    x = 51,945.67

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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.