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Finding the Fourth Proportional to 26,941.26, 40,410.92 and 8,220.54

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Solution

The fourth proportional to 26,941.26, 40,410.92 and 8,220.54 is: 12,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.26 : 40,410.92 = 8,220.54 : x
  2. Step 2: Convert to fraction form
    26,941.26/40,410.92 = 8,220.54/x
  3. Step 3: Cross multiply
    26,941.26x = 40,410.92 × 8,220.54
  4. Step 4: Simplify right side
    26,941.26x = 332,199,584.30
  5. Step 5: Solve for x
    x = 332,199,584.30/26,941.26
  6. Step 6: Final answer
    x = 12,330.51

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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.