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Finding the Fourth Proportional to 17,388.69, 26,083.31 and 4,241.31

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Solution

The fourth proportional to 17,388.69, 26,083.31 and 4,241.31 is: 6,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.69 : 26,083.31 = 4,241.31 : x
  2. Step 2: Convert to fraction form
    17,388.69/26,083.31 = 4,241.31/x
  3. Step 3: Cross multiply
    17,388.69x = 26,083.31 × 4,241.31
  4. Step 4: Simplify right side
    17,388.69x = 110,627,382.33
  5. Step 5: Solve for x
    x = 110,627,382.33/17,388.69
  6. Step 6: Final answer
    x = 6,362.03

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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.