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Finding the Fourth Proportional to 27,193.73, 40,791.70 and 12,954.88

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Solution

The fourth proportional to 27,193.73, 40,791.70 and 12,954.88 is: 19,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193.73 : 40,791.70 = 12,954.88 : x
  2. Step 2: Convert to fraction form
    27,193.73/40,791.70 = 12,954.88/x
  3. Step 3: Cross multiply
    27,193.73x = 40,791.70 × 12,954.88
  4. Step 4: Simplify right side
    27,193.73x = 528,451,578.50
  5. Step 5: Solve for x
    x = 528,451,578.50/27,193.73
  6. Step 6: Final answer
    x = 19,432.85

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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.