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Finding the Fourth Proportional to 17,241.31, 23,791.08 and 9,686.13

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Solution

The fourth proportional to 17,241.31, 23,791.08 and 9,686.13 is: 13,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.31 : 23,791.08 = 9,686.13 : x
  2. Step 2: Convert to fraction form
    17,241.31/23,791.08 = 9,686.13/x
  3. Step 3: Cross multiply
    17,241.31x = 23,791.08 × 9,686.13
  4. Step 4: Simplify right side
    17,241.31x = 230,443,493.72
  5. Step 5: Solve for x
    x = 230,443,493.72/17,241.31
  6. Step 6: Final answer
    x = 13,365.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.