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Finding the Fourth Proportional to 6,414.67, 8,849.81 and 3,895.83

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Solution

The fourth proportional to 6,414.67, 8,849.81 and 3,895.83 is: 5,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.67 : 8,849.81 = 3,895.83 : x
  2. Step 2: Convert to fraction form
    6,414.67/8,849.81 = 3,895.83/x
  3. Step 3: Cross multiply
    6,414.67x = 8,849.81 × 3,895.83
  4. Step 4: Simplify right side
    6,414.67x = 34,477,355.29
  5. Step 5: Solve for x
    x = 34,477,355.29/6,414.67
  6. Step 6: Final answer
    x = 5,374.77

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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.