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Finding the Fourth Proportional to 11,086.43, 16,629.04 and 6,702.71

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Solution

The fourth proportional to 11,086.43, 16,629.04 and 6,702.71 is: 10,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.43 : 16,629.04 = 6,702.71 : x
  2. Step 2: Convert to fraction form
    11,086.43/16,629.04 = 6,702.71/x
  3. Step 3: Cross multiply
    11,086.43x = 16,629.04 × 6,702.71
  4. Step 4: Simplify right side
    11,086.43x = 111,459,599.18
  5. Step 5: Solve for x
    x = 111,459,599.18/11,086.43
  6. Step 6: Final answer
    x = 10,053.70

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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.