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Finding the Fourth Proportional to 26,136.72, 39,202.92 and 8,608.32

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Solution

The fourth proportional to 26,136.72, 39,202.92 and 8,608.32 is: 12,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.72 : 39,202.92 = 8,608.32 : x
  2. Step 2: Convert to fraction form
    26,136.72/39,202.92 = 8,608.32/x
  3. Step 3: Cross multiply
    26,136.72x = 39,202.92 × 8,608.32
  4. Step 4: Simplify right side
    26,136.72x = 337,471,280.29
  5. Step 5: Solve for x
    x = 337,471,280.29/26,136.72
  6. Step 6: Final answer
    x = 12,911.77

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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.