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Finding the Fourth Proportional to 26,604.54, 39,905.37 and 8,136.54

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Solution

The fourth proportional to 26,604.54, 39,905.37 and 8,136.54 is: 12,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.54 : 39,905.37 = 8,136.54 : x
  2. Step 2: Convert to fraction form
    26,604.54/39,905.37 = 8,136.54/x
  3. Step 3: Cross multiply
    26,604.54x = 39,905.37 × 8,136.54
  4. Step 4: Simplify right side
    26,604.54x = 324,691,639.22
  5. Step 5: Solve for x
    x = 324,691,639.22/26,604.54
  6. Step 6: Final answer
    x = 12,204.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.