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Finding the Fourth Proportional to 36,191.80, 54,287.70 and 27,443.80

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Solution

The fourth proportional to 36,191.80, 54,287.70 and 27,443.80 is: 41,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.80 : 54,287.70 = 27,443.80 : x
  2. Step 2: Convert to fraction form
    36,191.80/54,287.70 = 27,443.80/x
  3. Step 3: Cross multiply
    36,191.80x = 54,287.70 × 27,443.80
  4. Step 4: Simplify right side
    36,191.80x = 1,489,860,781.26
  5. Step 5: Solve for x
    x = 1,489,860,781.26/36,191.80
  6. Step 6: Final answer
    x = 41,165.70

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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.