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Finding the Fourth Proportional to 26,937.67, 40,412.87 and 8,469.67

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Solution

The fourth proportional to 26,937.67, 40,412.87 and 8,469.67 is: 12,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.67 : 40,412.87 = 8,469.67 : x
  2. Step 2: Convert to fraction form
    26,937.67/40,412.87 = 8,469.67/x
  3. Step 3: Cross multiply
    26,937.67x = 40,412.87 × 8,469.67
  4. Step 4: Simplify right side
    26,937.67x = 342,283,672.65
  5. Step 5: Solve for x
    x = 342,283,672.65/26,937.67
  6. Step 6: Final answer
    x = 12,706.51

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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.