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Finding the Fourth Proportional to 69,410.72, 95,786.88 and 37,579.88

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Solution

The fourth proportional to 69,410.72, 95,786.88 and 37,579.88 is: 51,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.72 : 95,786.88 = 37,579.88 : x
  2. Step 2: Convert to fraction form
    69,410.72/95,786.88 = 37,579.88/x
  3. Step 3: Cross multiply
    69,410.72x = 95,786.88 × 37,579.88
  4. Step 4: Simplify right side
    69,410.72x = 3,599,659,455.97
  5. Step 5: Solve for x
    x = 3,599,659,455.97/69,410.72
  6. Step 6: Final answer
    x = 51,860.28

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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.