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Finding the Fourth Proportional to 3,793.98, 5,690.77 and 1,455.11

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Solution

The fourth proportional to 3,793.98, 5,690.77 and 1,455.11 is: 2,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.98 : 5,690.77 = 1,455.11 : x
  2. Step 2: Convert to fraction form
    3,793.98/5,690.77 = 1,455.11/x
  3. Step 3: Cross multiply
    3,793.98x = 5,690.77 × 1,455.11
  4. Step 4: Simplify right side
    3,793.98x = 8,280,660.61
  5. Step 5: Solve for x
    x = 8,280,660.61/3,793.98
  6. Step 6: Final answer
    x = 2,182.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.