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Finding the Fourth Proportional to 16,919.27, 23,350.97 and 9,847.97

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Solution

The fourth proportional to 16,919.27, 23,350.97 and 9,847.97 is: 13,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.27 : 23,350.97 = 9,847.97 : x
  2. Step 2: Convert to fraction form
    16,919.27/23,350.97 = 9,847.97/x
  3. Step 3: Cross multiply
    16,919.27x = 23,350.97 × 9,847.97
  4. Step 4: Simplify right side
    16,919.27x = 229,959,559.90
  5. Step 5: Solve for x
    x = 229,959,559.90/16,919.27
  6. Step 6: Final answer
    x = 13,591.58

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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.