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Finding the Fourth Proportional to 16,691.05, 25,033.29 and 6,161.05

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Solution

The fourth proportional to 16,691.05, 25,033.29 and 6,161.05 is: 9,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.05 : 25,033.29 = 6,161.05 : x
  2. Step 2: Convert to fraction form
    16,691.05/25,033.29 = 6,161.05/x
  3. Step 3: Cross multiply
    16,691.05x = 25,033.29 × 6,161.05
  4. Step 4: Simplify right side
    16,691.05x = 154,231,351.35
  5. Step 5: Solve for x
    x = 154,231,351.35/16,691.05
  6. Step 6: Final answer
    x = 9,240.36

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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.