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Finding the Fourth Proportional to 8,843.24, 13,258.20 and 7,625

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Solution

The fourth proportional to 8,843.24, 13,258.20 and 7,625 is: 11,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.24 : 13,258.20 = 7,625 : x
  2. Step 2: Convert to fraction form
    8,843.24/13,258.20 = 7,625/x
  3. Step 3: Cross multiply
    8,843.24x = 13,258.20 × 7,625
  4. Step 4: Simplify right side
    8,843.24x = 101,093,775
  5. Step 5: Solve for x
    x = 101,093,775/8,843.24
  6. Step 6: Final answer
    x = 11,431.76

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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.