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Finding the Fourth Proportional to 6,961.14, 10,451.07 and 6,887.70

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Solution

The fourth proportional to 6,961.14, 10,451.07 and 6,887.70 is: 10,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.14 : 10,451.07 = 6,887.70 : x
  2. Step 2: Convert to fraction form
    6,961.14/10,451.07 = 6,887.70/x
  3. Step 3: Cross multiply
    6,961.14x = 10,451.07 × 6,887.70
  4. Step 4: Simplify right side
    6,961.14x = 71,983,834.84
  5. Step 5: Solve for x
    x = 71,983,834.84/6,961.14
  6. Step 6: Final answer
    x = 10,340.81

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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.