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Finding the Fourth Proportional to 36,469.20, 54,703.81 and 11,511.20

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Solution

The fourth proportional to 36,469.20, 54,703.81 and 11,511.20 is: 17,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.20 : 54,703.81 = 11,511.20 : x
  2. Step 2: Convert to fraction form
    36,469.20/54,703.81 = 11,511.20/x
  3. Step 3: Cross multiply
    36,469.20x = 54,703.81 × 11,511.20
  4. Step 4: Simplify right side
    36,469.20x = 629,706,497.67
  5. Step 5: Solve for x
    x = 629,706,497.67/36,469.20
  6. Step 6: Final answer
    x = 17,266.80

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1.5x scale

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.