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Finding the Fourth Proportional to 5,860.85, 8,081.83 and 3,868.79

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Solution

The fourth proportional to 5,860.85, 8,081.83 and 3,868.79 is: 5,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.85 : 8,081.83 = 3,868.79 : x
  2. Step 2: Convert to fraction form
    5,860.85/8,081.83 = 3,868.79/x
  3. Step 3: Cross multiply
    5,860.85x = 8,081.83 × 3,868.79
  4. Step 4: Simplify right side
    5,860.85x = 31,266,903.09
  5. Step 5: Solve for x
    x = 31,266,903.09/5,860.85
  6. Step 6: Final answer
    x = 5,334.88

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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.