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Finding the Fourth Proportional to 17,228.63, 25,849.08 and 8,469.69

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Solution

The fourth proportional to 17,228.63, 25,849.08 and 8,469.69 is: 12,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.63 : 25,849.08 = 8,469.69 : x
  2. Step 2: Convert to fraction form
    17,228.63/25,849.08 = 8,469.69/x
  3. Step 3: Cross multiply
    17,228.63x = 25,849.08 × 8,469.69
  4. Step 4: Simplify right side
    17,228.63x = 218,933,694.39
  5. Step 5: Solve for x
    x = 218,933,694.39/17,228.63
  6. Step 6: Final answer
    x = 12,707.55

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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.