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Finding the Fourth Proportional to 3,277.90, 4,916.97 and 1,086.82

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Solution

The fourth proportional to 3,277.90, 4,916.97 and 1,086.82 is: 1,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.90 : 4,916.97 = 1,086.82 : x
  2. Step 2: Convert to fraction form
    3,277.90/4,916.97 = 1,086.82/x
  3. Step 3: Cross multiply
    3,277.90x = 4,916.97 × 1,086.82
  4. Step 4: Simplify right side
    3,277.90x = 5,343,861.34
  5. Step 5: Solve for x
    x = 5,343,861.34/3,277.90
  6. Step 6: Final answer
    x = 1,630.27

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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.