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Finding the Fourth Proportional to 3,806.69, 5,253.62 and 2,314.71

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Solution

The fourth proportional to 3,806.69, 5,253.62 and 2,314.71 is: 3,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.69 : 5,253.62 = 2,314.71 : x
  2. Step 2: Convert to fraction form
    3,806.69/5,253.62 = 2,314.71/x
  3. Step 3: Cross multiply
    3,806.69x = 5,253.62 × 2,314.71
  4. Step 4: Simplify right side
    3,806.69x = 12,160,595.18
  5. Step 5: Solve for x
    x = 12,160,595.18/3,806.69
  6. Step 6: Final answer
    x = 3,194.54

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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.