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Finding the Fourth Proportional to 36,773.80, 55,072.54 and 20,108.84

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Solution

The fourth proportional to 36,773.80, 55,072.54 and 20,108.84 is: 30,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,773.80 : 55,072.54 = 20,108.84 : x
  2. Step 2: Convert to fraction form
    36,773.80/55,072.54 = 20,108.84/x
  3. Step 3: Cross multiply
    36,773.80x = 55,072.54 × 20,108.84
  4. Step 4: Simplify right side
    36,773.80x = 1,107,444,895.25
  5. Step 5: Solve for x
    x = 1,107,444,895.25/36,773.80
  6. Step 6: Final answer
    x = 30,115.05

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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.