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Finding the Fourth Proportional to 18,039.97, 27,059.96 and 6,951.88

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Solution

The fourth proportional to 18,039.97, 27,059.96 and 6,951.88 is: 10,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.97 : 27,059.96 = 6,951.88 : x
  2. Step 2: Convert to fraction form
    18,039.97/27,059.96 = 6,951.88/x
  3. Step 3: Cross multiply
    18,039.97x = 27,059.96 × 6,951.88
  4. Step 4: Simplify right side
    18,039.97x = 188,117,594.72
  5. Step 5: Solve for x
    x = 188,117,594.72/18,039.97
  6. Step 6: Final answer
    x = 10,427.82

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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.