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Finding the Fourth Proportional to 26,936.42, 40,410.99 and 8,468.42

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Solution

The fourth proportional to 26,936.42, 40,410.99 and 8,468.42 is: 12,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.42 : 40,410.99 = 8,468.42 : x
  2. Step 2: Convert to fraction form
    26,936.42/40,410.99 = 8,468.42/x
  3. Step 3: Cross multiply
    26,936.42x = 40,410.99 × 8,468.42
  4. Step 4: Simplify right side
    26,936.42x = 342,217,235.94
  5. Step 5: Solve for x
    x = 342,217,235.94/26,936.42
  6. Step 6: Final answer
    x = 12,704.63

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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.