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Finding the Fourth Proportional to 36,486.45, 54,715.03 and 17,761.03

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Solution

The fourth proportional to 36,486.45, 54,715.03 and 17,761.03 is: 26,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.45 : 54,715.03 = 17,761.03 : x
  2. Step 2: Convert to fraction form
    36,486.45/54,715.03 = 17,761.03/x
  3. Step 3: Cross multiply
    36,486.45x = 54,715.03 × 17,761.03
  4. Step 4: Simplify right side
    36,486.45x = 971,795,108.09
  5. Step 5: Solve for x
    x = 971,795,108.09/36,486.45
  6. Step 6: Final answer
    x = 26,634.41

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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.