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Finding the Fourth Proportional to 69,469.64, 95,867.51 and 37,638.46

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Solution

The fourth proportional to 69,469.64, 95,867.51 and 37,638.46 is: 51,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,469.64 : 95,867.51 = 37,638.46 : x
  2. Step 2: Convert to fraction form
    69,469.64/95,867.51 = 37,638.46/x
  3. Step 3: Cross multiply
    69,469.64x = 95,867.51 × 37,638.46
  4. Step 4: Simplify right side
    69,469.64x = 3,608,305,440.43
  5. Step 5: Solve for x
    x = 3,608,305,440.43/69,469.64
  6. Step 6: Final answer
    x = 51,940.75

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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.