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Finding the Fourth Proportional to 36,062.80, 54,084.60 and 11,102.80

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Solution

The fourth proportional to 36,062.80, 54,084.60 and 11,102.80 is: 16,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,062.80 : 54,084.60 = 11,102.80 : x
  2. Step 2: Convert to fraction form
    36,062.80/54,084.60 = 11,102.80/x
  3. Step 3: Cross multiply
    36,062.80x = 54,084.60 × 11,102.80
  4. Step 4: Simplify right side
    36,062.80x = 600,490,496.88
  5. Step 5: Solve for x
    x = 600,490,496.88/36,062.80
  6. Step 6: Final answer
    x = 16,651.24

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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.