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Finding the Fourth Proportional to 11,791.82, 17,768.84 and 9,757.60

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Solution

The fourth proportional to 11,791.82, 17,768.84 and 9,757.60 is: 14,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.82 : 17,768.84 = 9,757.60 : x
  2. Step 2: Convert to fraction form
    11,791.82/17,768.84 = 9,757.60/x
  3. Step 3: Cross multiply
    11,791.82x = 17,768.84 × 9,757.60
  4. Step 4: Simplify right side
    11,791.82x = 173,381,233.18
  5. Step 5: Solve for x
    x = 173,381,233.18/11,791.82
  6. Step 6: Final answer
    x = 14,703.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.