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Finding the Fourth Proportional to 5,805.45, 8,692.38 and 4,237.29

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Solution

The fourth proportional to 5,805.45, 8,692.38 and 4,237.29 is: 6,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.45 : 8,692.38 = 4,237.29 : x
  2. Step 2: Convert to fraction form
    5,805.45/8,692.38 = 4,237.29/x
  3. Step 3: Cross multiply
    5,805.45x = 8,692.38 × 4,237.29
  4. Step 4: Simplify right side
    5,805.45x = 36,832,134.85
  5. Step 5: Solve for x
    x = 36,832,134.85/5,805.45
  6. Step 6: Final answer
    x = 6,344.41

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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.