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Finding the Fourth Proportional to 69,797.97, 104,695.50 and 17,207.91

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Solution

The fourth proportional to 69,797.97, 104,695.50 and 17,207.91 is: 25,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.97 : 104,695.50 = 17,207.91 : x
  2. Step 2: Convert to fraction form
    69,797.97/104,695.50 = 17,207.91/x
  3. Step 3: Cross multiply
    69,797.97x = 104,695.50 × 17,207.91
  4. Step 4: Simplify right side
    69,797.97x = 1,801,590,741.41
  5. Step 5: Solve for x
    x = 1,801,590,741.41/69,797.97
  6. Step 6: Final answer
    x = 25,811.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.