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Finding the Fourth Proportional to 26,713, 40,076 and 8,245

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Solution

The fourth proportional to 26,713, 40,076 and 8,245 is: 12,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713 : 40,076 = 8,245 : x
  2. Step 2: Convert to fraction form
    26,713/40,076 = 8,245/x
  3. Step 3: Cross multiply
    26,713x = 40,076 × 8,245
  4. Step 4: Simplify right side
    26,713x = 330,426,620
  5. Step 5: Solve for x
    x = 330,426,620/26,713
  6. Step 6: Final answer
    x = 12,369.51

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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.