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Finding the Fourth Proportional to 27,279.38, 40,894.27 and 9,745.11

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Solution

The fourth proportional to 27,279.38, 40,894.27 and 9,745.11 is: 14,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.38 : 40,894.27 = 9,745.11 : x
  2. Step 2: Convert to fraction form
    27,279.38/40,894.27 = 9,745.11/x
  3. Step 3: Cross multiply
    27,279.38x = 40,894.27 × 9,745.11
  4. Step 4: Simplify right side
    27,279.38x = 398,519,135.16
  5. Step 5: Solve for x
    x = 398,519,135.16/27,279.38
  6. Step 6: Final answer
    x = 14,608.80

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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.