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Finding the Fourth Proportional to 18,224.54, 27,339.53 and 5,743.25

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Solution

The fourth proportional to 18,224.54, 27,339.53 and 5,743.25 is: 8,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.54 : 27,339.53 = 5,743.25 : x
  2. Step 2: Convert to fraction form
    18,224.54/27,339.53 = 5,743.25/x
  3. Step 3: Cross multiply
    18,224.54x = 27,339.53 × 5,743.25
  4. Step 4: Simplify right side
    18,224.54x = 157,017,755.67
  5. Step 5: Solve for x
    x = 157,017,755.67/18,224.54
  6. Step 6: Final answer
    x = 8,615.73

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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.