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Finding the Fourth Proportional to 16,249.72, 22,424.76 and 8,797.72

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Solution

The fourth proportional to 16,249.72, 22,424.76 and 8,797.72 is: 12,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.72 : 22,424.76 = 8,797.72 : x
  2. Step 2: Convert to fraction form
    16,249.72/22,424.76 = 8,797.72/x
  3. Step 3: Cross multiply
    16,249.72x = 22,424.76 × 8,797.72
  4. Step 4: Simplify right side
    16,249.72x = 197,286,759.55
  5. Step 5: Solve for x
    x = 197,286,759.55/16,249.72
  6. Step 6: Final answer
    x = 12,140.93

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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.