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Finding the Fourth Proportional to 23,755.42, 32,781.99 and 13,144.42

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Solution

The fourth proportional to 23,755.42, 32,781.99 and 13,144.42 is: 18,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.42 : 32,781.99 = 13,144.42 : x
  2. Step 2: Convert to fraction form
    23,755.42/32,781.99 = 13,144.42/x
  3. Step 3: Cross multiply
    23,755.42x = 32,781.99 × 13,144.42
  4. Step 4: Simplify right side
    23,755.42x = 430,900,245.00
  5. Step 5: Solve for x
    x = 430,900,245.00/23,755.42
  6. Step 6: Final answer
    x = 18,139.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.