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Finding the Fourth Proportional to 16,917.26, 25,380.12 and 6,387.26

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Solution

The fourth proportional to 16,917.26, 25,380.12 and 6,387.26 is: 9,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.26 : 25,380.12 = 6,387.26 : x
  2. Step 2: Convert to fraction form
    16,917.26/25,380.12 = 6,387.26/x
  3. Step 3: Cross multiply
    16,917.26x = 25,380.12 × 6,387.26
  4. Step 4: Simplify right side
    16,917.26x = 162,109,425.27
  5. Step 5: Solve for x
    x = 162,109,425.27/16,917.26
  6. Step 6: Final answer
    x = 9,582.49

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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.