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Finding the Fourth Proportional to 6,892.70, 10,343.67 and 6,867.33

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Solution

The fourth proportional to 6,892.70, 10,343.67 and 6,867.33 is: 10,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.70 : 10,343.67 = 6,867.33 : x
  2. Step 2: Convert to fraction form
    6,892.70/10,343.67 = 6,867.33/x
  3. Step 3: Cross multiply
    6,892.70x = 10,343.67 × 6,867.33
  4. Step 4: Simplify right side
    6,892.70x = 71,033,446.89
  5. Step 5: Solve for x
    x = 71,033,446.89/6,892.70
  6. Step 6: Final answer
    x = 10,305.61

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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.