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Finding the Fourth Proportional to 14,310.01, 19,747.02 and 7,936.39

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Solution

The fourth proportional to 14,310.01, 19,747.02 and 7,936.39 is: 10,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.01 : 19,747.02 = 7,936.39 : x
  2. Step 2: Convert to fraction form
    14,310.01/19,747.02 = 7,936.39/x
  3. Step 3: Cross multiply
    14,310.01x = 19,747.02 × 7,936.39
  4. Step 4: Simplify right side
    14,310.01x = 156,720,052.06
  5. Step 5: Solve for x
    x = 156,720,052.06/14,310.01
  6. Step 6: Final answer
    x = 10,951.78

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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.