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Finding the Fourth Proportional to 45,882.88, 68,811.09 and 12,604.03

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Solution

The fourth proportional to 45,882.88, 68,811.09 and 12,604.03 is: 18,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,882.88 : 68,811.09 = 12,604.03 : x
  2. Step 2: Convert to fraction form
    45,882.88/68,811.09 = 12,604.03/x
  3. Step 3: Cross multiply
    45,882.88x = 68,811.09 × 12,604.03
  4. Step 4: Simplify right side
    45,882.88x = 867,297,042.69
  5. Step 5: Solve for x
    x = 867,297,042.69/45,882.88
  6. Step 6: Final answer
    x = 18,902.41

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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.