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Finding the Fourth Proportional to 8,425, 11,625.13 and 5,067.01

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Solution

The fourth proportional to 8,425, 11,625.13 and 5,067.01 is: 6,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425 : 11,625.13 = 5,067.01 : x
  2. Step 2: Convert to fraction form
    8,425/11,625.13 = 5,067.01/x
  3. Step 3: Cross multiply
    8,425x = 11,625.13 × 5,067.01
  4. Step 4: Simplify right side
    8,425x = 58,904,649.96
  5. Step 5: Solve for x
    x = 58,904,649.96/8,425
  6. Step 6: Final answer
    x = 6,991.65

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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.