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Finding the Fourth Proportional to 3,754.12, 5,177.73 and 3,502.61

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Solution

The fourth proportional to 3,754.12, 5,177.73 and 3,502.61 is: 4,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.12 : 5,177.73 = 3,502.61 : x
  2. Step 2: Convert to fraction form
    3,754.12/5,177.73 = 3,502.61/x
  3. Step 3: Cross multiply
    3,754.12x = 5,177.73 × 3,502.61
  4. Step 4: Simplify right side
    3,754.12x = 18,135,568.88
  5. Step 5: Solve for x
    x = 18,135,568.88/3,754.12
  6. Step 6: Final answer
    x = 4,830.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.