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Finding the Fourth Proportional to 36,624.98, 54,939.13 and 11,662.68

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Solution

The fourth proportional to 36,624.98, 54,939.13 and 11,662.68 is: 17,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,624.98 : 54,939.13 = 11,662.68 : x
  2. Step 2: Convert to fraction form
    36,624.98/54,939.13 = 11,662.68/x
  3. Step 3: Cross multiply
    36,624.98x = 54,939.13 × 11,662.68
  4. Step 4: Simplify right side
    36,624.98x = 640,737,492.67
  5. Step 5: Solve for x
    x = 640,737,492.67/36,624.98
  6. Step 6: Final answer
    x = 17,494.55

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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.