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Finding the Fourth Proportional to 26,957.44, 40,447.92 and 9,439.84

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Solution

The fourth proportional to 26,957.44, 40,447.92 and 9,439.84 is: 14,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.44 : 40,447.92 = 9,439.84 : x
  2. Step 2: Convert to fraction form
    26,957.44/40,447.92 = 9,439.84/x
  3. Step 3: Cross multiply
    26,957.44x = 40,447.92 × 9,439.84
  4. Step 4: Simplify right side
    26,957.44x = 381,821,893.13
  5. Step 5: Solve for x
    x = 381,821,893.13/26,957.44
  6. Step 6: Final answer
    x = 14,163.88

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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.