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Finding the Fourth Proportional to 26,760.96, 40,147.92 and 8,040.96

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Solution

The fourth proportional to 26,760.96, 40,147.92 and 8,040.96 is: 12,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.96 : 40,147.92 = 8,040.96 : x
  2. Step 2: Convert to fraction form
    26,760.96/40,147.92 = 8,040.96/x
  3. Step 3: Cross multiply
    26,760.96x = 40,147.92 × 8,040.96
  4. Step 4: Simplify right side
    26,760.96x = 322,827,818.80
  5. Step 5: Solve for x
    x = 322,827,818.80/26,760.96
  6. Step 6: Final answer
    x = 12,063.39

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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.