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Finding the Fourth Proportional to 17,208.66, 25,822.39 and 6,679.09

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Solution

The fourth proportional to 17,208.66, 25,822.39 and 6,679.09 is: 10,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.66 : 25,822.39 = 6,679.09 : x
  2. Step 2: Convert to fraction form
    17,208.66/25,822.39 = 6,679.09/x
  3. Step 3: Cross multiply
    17,208.66x = 25,822.39 × 6,679.09
  4. Step 4: Simplify right side
    17,208.66x = 172,470,066.83
  5. Step 5: Solve for x
    x = 172,470,066.83/17,208.66
  6. Step 6: Final answer
    x = 10,022.28

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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.