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Finding the Fourth Proportional to 3,766.67, 5,649.95 and 1,817.49

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Solution

The fourth proportional to 3,766.67, 5,649.95 and 1,817.49 is: 2,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.67 : 5,649.95 = 1,817.49 : x
  2. Step 2: Convert to fraction form
    3,766.67/5,649.95 = 1,817.49/x
  3. Step 3: Cross multiply
    3,766.67x = 5,649.95 × 1,817.49
  4. Step 4: Simplify right side
    3,766.67x = 10,268,732.17
  5. Step 5: Solve for x
    x = 10,268,732.17/3,766.67
  6. Step 6: Final answer
    x = 2,726.21

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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.