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Finding the Fourth Proportional to 19,902.94, 27,466.70 and 10,951.09

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Solution

The fourth proportional to 19,902.94, 27,466.70 and 10,951.09 is: 15,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.94 : 27,466.70 = 10,951.09 : x
  2. Step 2: Convert to fraction form
    19,902.94/27,466.70 = 10,951.09/x
  3. Step 3: Cross multiply
    19,902.94x = 27,466.70 × 10,951.09
  4. Step 4: Simplify right side
    19,902.94x = 300,790,180.28
  5. Step 5: Solve for x
    x = 300,790,180.28/19,902.94
  6. Step 6: Final answer
    x = 15,112.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.