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Finding the Fourth Proportional to 3,766.61, 5,649.83 and 1,169.54

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Solution

The fourth proportional to 3,766.61, 5,649.83 and 1,169.54 is: 1,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.61 : 5,649.83 = 1,169.54 : x
  2. Step 2: Convert to fraction form
    3,766.61/5,649.83 = 1,169.54/x
  3. Step 3: Cross multiply
    3,766.61x = 5,649.83 × 1,169.54
  4. Step 4: Simplify right side
    3,766.61x = 6,607,676.85
  5. Step 5: Solve for x
    x = 6,607,676.85/3,766.61
  6. Step 6: Final answer
    x = 1,754.28

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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.