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Finding the Fourth Proportional to 26,937.96, 40,406.96 and 8,469.96

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Solution

The fourth proportional to 26,937.96, 40,406.96 and 8,469.96 is: 12,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.96 : 40,406.96 = 8,469.96 : x
  2. Step 2: Convert to fraction form
    26,937.96/40,406.96 = 8,469.96/x
  3. Step 3: Cross multiply
    26,937.96x = 40,406.96 × 8,469.96
  4. Step 4: Simplify right side
    26,937.96x = 342,245,356.10
  5. Step 5: Solve for x
    x = 342,245,356.10/26,937.96
  6. Step 6: Final answer
    x = 12,704.95

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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.