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Finding the Fourth Proportional to 17,209.73, 25,819.16 and 5,363.48

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Solution

The fourth proportional to 17,209.73, 25,819.16 and 5,363.48 is: 8,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.73 : 25,819.16 = 5,363.48 : x
  2. Step 2: Convert to fraction form
    17,209.73/25,819.16 = 5,363.48/x
  3. Step 3: Cross multiply
    17,209.73x = 25,819.16 × 5,363.48
  4. Step 4: Simplify right side
    17,209.73x = 138,480,586.01
  5. Step 5: Solve for x
    x = 138,480,586.01/17,209.73
  6. Step 6: Final answer
    x = 8,046.64

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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.