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Finding the Fourth Proportional to 11,882.73, 17,818.10 and 6,953.85

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Solution

The fourth proportional to 11,882.73, 17,818.10 and 6,953.85 is: 10,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.73 : 17,818.10 = 6,953.85 : x
  2. Step 2: Convert to fraction form
    11,882.73/17,818.10 = 6,953.85/x
  3. Step 3: Cross multiply
    11,882.73x = 17,818.10 × 6,953.85
  4. Step 4: Simplify right side
    11,882.73x = 123,904,359.92
  5. Step 5: Solve for x
    x = 123,904,359.92/11,882.73
  6. Step 6: Final answer
    x = 10,427.26

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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.