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Finding the Fourth Proportional to 8,229.96, 11,358 and 4,692.36

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Solution

The fourth proportional to 8,229.96, 11,358 and 4,692.36 is: 6,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.96 : 11,358 = 4,692.36 : x
  2. Step 2: Convert to fraction form
    8,229.96/11,358 = 4,692.36/x
  3. Step 3: Cross multiply
    8,229.96x = 11,358 × 4,692.36
  4. Step 4: Simplify right side
    8,229.96x = 53,295,824.88
  5. Step 5: Solve for x
    x = 53,295,824.88/8,229.96
  6. Step 6: Final answer
    x = 6,475.83

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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.