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Finding the Fourth Proportional to 27,003.70, 40,469.10 and 18,093.70

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Solution

The fourth proportional to 27,003.70, 40,469.10 and 18,093.70 is: 27,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.70 : 40,469.10 = 18,093.70 : x
  2. Step 2: Convert to fraction form
    27,003.70/40,469.10 = 18,093.70/x
  3. Step 3: Cross multiply
    27,003.70x = 40,469.10 × 18,093.70
  4. Step 4: Simplify right side
    27,003.70x = 732,235,754.67
  5. Step 5: Solve for x
    x = 732,235,754.67/27,003.70
  6. Step 6: Final answer
    x = 27,116.13

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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.