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Finding the Fourth Proportional to 36,079.80, 54,110.10 and 11,119.80

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Solution

The fourth proportional to 36,079.80, 54,110.10 and 11,119.80 is: 16,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.80 : 54,110.10 = 11,119.80 : x
  2. Step 2: Convert to fraction form
    36,079.80/54,110.10 = 11,119.80/x
  3. Step 3: Cross multiply
    36,079.80x = 54,110.10 × 11,119.80
  4. Step 4: Simplify right side
    36,079.80x = 601,693,489.98
  5. Step 5: Solve for x
    x = 601,693,489.98/36,079.80
  6. Step 6: Final answer
    x = 16,676.74

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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.