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Finding the Fourth Proportional to 8,922.98, 13,383.78 and 3,375.82

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Solution

The fourth proportional to 8,922.98, 13,383.78 and 3,375.82 is: 5,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.98 : 13,383.78 = 3,375.82 : x
  2. Step 2: Convert to fraction form
    8,922.98/13,383.78 = 3,375.82/x
  3. Step 3: Cross multiply
    8,922.98x = 13,383.78 × 3,375.82
  4. Step 4: Simplify right side
    8,922.98x = 45,181,232.20
  5. Step 5: Solve for x
    x = 45,181,232.20/8,922.98
  6. Step 6: Final answer
    x = 5,063.47

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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.