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Finding the Fourth Proportional to 27,866.76, 41,724.76 and 20,414.76

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Solution

The fourth proportional to 27,866.76, 41,724.76 and 20,414.76 is: 30,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.76 : 41,724.76 = 20,414.76 : x
  2. Step 2: Convert to fraction form
    27,866.76/41,724.76 = 20,414.76/x
  3. Step 3: Cross multiply
    27,866.76x = 41,724.76 × 20,414.76
  4. Step 4: Simplify right side
    27,866.76x = 851,800,961.46
  5. Step 5: Solve for x
    x = 851,800,961.46/27,866.76
  6. Step 6: Final answer
    x = 30,566.92

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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.