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Finding the Fourth Proportional to 7,286.76, 10,930.14 and 2,092.68

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Solution

The fourth proportional to 7,286.76, 10,930.14 and 2,092.68 is: 3,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.76 : 10,930.14 = 2,092.68 : x
  2. Step 2: Convert to fraction form
    7,286.76/10,930.14 = 2,092.68/x
  3. Step 3: Cross multiply
    7,286.76x = 10,930.14 × 2,092.68
  4. Step 4: Simplify right side
    7,286.76x = 22,873,285.38
  5. Step 5: Solve for x
    x = 22,873,285.38/7,286.76
  6. Step 6: Final answer
    x = 3,139.02

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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.