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Finding the Fourth Proportional to 5,654.67, 8,483.69 and 3,191.19

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Solution

The fourth proportional to 5,654.67, 8,483.69 and 3,191.19 is: 4,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.67 : 8,483.69 = 3,191.19 : x
  2. Step 2: Convert to fraction form
    5,654.67/8,483.69 = 3,191.19/x
  3. Step 3: Cross multiply
    5,654.67x = 8,483.69 × 3,191.19
  4. Step 4: Simplify right side
    5,654.67x = 27,073,066.69
  5. Step 5: Solve for x
    x = 27,073,066.69/5,654.67
  6. Step 6: Final answer
    x = 4,787.74

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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.