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Finding the Fourth Proportional to 26,761.96, 40,149.42 and 8,041.96

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Solution

The fourth proportional to 26,761.96, 40,149.42 and 8,041.96 is: 12,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.96 : 40,149.42 = 8,041.96 : x
  2. Step 2: Convert to fraction form
    26,761.96/40,149.42 = 8,041.96/x
  3. Step 3: Cross multiply
    26,761.96x = 40,149.42 × 8,041.96
  4. Step 4: Simplify right side
    26,761.96x = 322,880,029.66
  5. Step 5: Solve for x
    x = 322,880,029.66/26,761.96
  6. Step 6: Final answer
    x = 12,064.89

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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.