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Finding the Fourth Proportional to 8,791.78, 13,192.54 and 3,597.26

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Solution

The fourth proportional to 8,791.78, 13,192.54 and 3,597.26 is: 5,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.78 : 13,192.54 = 3,597.26 : x
  2. Step 2: Convert to fraction form
    8,791.78/13,192.54 = 3,597.26/x
  3. Step 3: Cross multiply
    8,791.78x = 13,192.54 × 3,597.26
  4. Step 4: Simplify right side
    8,791.78x = 47,456,996.44
  5. Step 5: Solve for x
    x = 47,456,996.44/8,791.78
  6. Step 6: Final answer
    x = 5,397.88

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1.5x scale

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.