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Finding the Fourth Proportional to 7,181.88, 10,754.06 and 6,743.94

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Solution

The fourth proportional to 7,181.88, 10,754.06 and 6,743.94 is: 10,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.88 : 10,754.06 = 6,743.94 : x
  2. Step 2: Convert to fraction form
    7,181.88/10,754.06 = 6,743.94/x
  3. Step 3: Cross multiply
    7,181.88x = 10,754.06 × 6,743.94
  4. Step 4: Simplify right side
    7,181.88x = 72,524,701.68
  5. Step 5: Solve for x
    x = 72,524,701.68/7,181.88
  6. Step 6: Final answer
    x = 10,098.29

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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.