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Finding the Fourth Proportional to 27,251.54, 40,879.05 and 7,260.70

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Solution

The fourth proportional to 27,251.54, 40,879.05 and 7,260.70 is: 10,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.54 : 40,879.05 = 7,260.70 : x
  2. Step 2: Convert to fraction form
    27,251.54/40,879.05 = 7,260.70/x
  3. Step 3: Cross multiply
    27,251.54x = 40,879.05 × 7,260.70
  4. Step 4: Simplify right side
    27,251.54x = 296,810,518.34
  5. Step 5: Solve for x
    x = 296,810,518.34/27,251.54
  6. Step 6: Final answer
    x = 10,891.51

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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.