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Finding the Fourth Proportional to 27,469.37, 37,894.93 and 17,781.96

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Solution

The fourth proportional to 27,469.37, 37,894.93 and 17,781.96 is: 24,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.37 : 37,894.93 = 17,781.96 : x
  2. Step 2: Convert to fraction form
    27,469.37/37,894.93 = 17,781.96/x
  3. Step 3: Cross multiply
    27,469.37x = 37,894.93 × 17,781.96
  4. Step 4: Simplify right side
    27,469.37x = 673,846,122.17
  5. Step 5: Solve for x
    x = 673,846,122.17/27,469.37
  6. Step 6: Final answer
    x = 24,530.82

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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.