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Finding the Fourth Proportional to 9,791.44, 14,687.16 and 6,882.76

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Solution

The fourth proportional to 9,791.44, 14,687.16 and 6,882.76 is: 10,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.44 : 14,687.16 = 6,882.76 : x
  2. Step 2: Convert to fraction form
    9,791.44/14,687.16 = 6,882.76/x
  3. Step 3: Cross multiply
    9,791.44x = 14,687.16 × 6,882.76
  4. Step 4: Simplify right side
    9,791.44x = 101,088,197.36
  5. Step 5: Solve for x
    x = 101,088,197.36/9,791.44
  6. Step 6: Final answer
    x = 10,324.14

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Double scale
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Similar ratio
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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.