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Finding the Fourth Proportional to 69,370.70, 95,731.81 and 37,539.59

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Solution

The fourth proportional to 69,370.70, 95,731.81 and 37,539.59 is: 51,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.70 : 95,731.81 = 37,539.59 : x
  2. Step 2: Convert to fraction form
    69,370.70/95,731.81 = 37,539.59/x
  3. Step 3: Cross multiply
    69,370.70x = 95,731.81 × 37,539.59
  4. Step 4: Simplify right side
    69,370.70x = 3,593,732,324.85
  5. Step 5: Solve for x
    x = 3,593,732,324.85/69,370.70
  6. Step 6: Final answer
    x = 51,804.76

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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.