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Finding the Fourth Proportional to 16,249.70, 22,424.64 and 8,797.70

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Solution

The fourth proportional to 16,249.70, 22,424.64 and 8,797.70 is: 12,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.70 : 22,424.64 = 8,797.70 : x
  2. Step 2: Convert to fraction form
    16,249.70/22,424.64 = 8,797.70/x
  3. Step 3: Cross multiply
    16,249.70x = 22,424.64 × 8,797.70
  4. Step 4: Simplify right side
    16,249.70x = 197,285,255.33
  5. Step 5: Solve for x
    x = 197,285,255.33/16,249.70
  6. Step 6: Final answer
    x = 12,140.86

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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.