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Finding the Fourth Proportional to 17,073, 25,613.31 and 5,228.43

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Solution

The fourth proportional to 17,073, 25,613.31 and 5,228.43 is: 7,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073 : 25,613.31 = 5,228.43 : x
  2. Step 2: Convert to fraction form
    17,073/25,613.31 = 5,228.43/x
  3. Step 3: Cross multiply
    17,073x = 25,613.31 × 5,228.43
  4. Step 4: Simplify right side
    17,073x = 133,917,398.40
  5. Step 5: Solve for x
    x = 133,917,398.40/17,073
  6. Step 6: Final answer
    x = 7,843.81

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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.