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Finding the Fourth Proportional to 6,881.43, 10,264.83 and 6,217.05

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Solution

The fourth proportional to 6,881.43, 10,264.83 and 6,217.05 is: 9,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.43 : 10,264.83 = 6,217.05 : x
  2. Step 2: Convert to fraction form
    6,881.43/10,264.83 = 6,217.05/x
  3. Step 3: Cross multiply
    6,881.43x = 10,264.83 × 6,217.05
  4. Step 4: Simplify right side
    6,881.43x = 63,816,961.35
  5. Step 5: Solve for x
    x = 63,816,961.35/6,881.43
  6. Step 6: Final answer
    x = 9,273.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.