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Finding the Fourth Proportional to 17,236.38, 25,857 and 6,139.79

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Solution

The fourth proportional to 17,236.38, 25,857 and 6,139.79 is: 9,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,236.38 : 25,857 = 6,139.79 : x
  2. Step 2: Convert to fraction form
    17,236.38/25,857 = 6,139.79/x
  3. Step 3: Cross multiply
    17,236.38x = 25,857 × 6,139.79
  4. Step 4: Simplify right side
    17,236.38x = 158,756,550.03
  5. Step 5: Solve for x
    x = 158,756,550.03/17,236.38
  6. Step 6: Final answer
    x = 9,210.55

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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.