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Finding the Fourth Proportional to 17,913.58, 24,704.22 and 12,179.65

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Solution

The fourth proportional to 17,913.58, 24,704.22 and 12,179.65 is: 16,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.58 : 24,704.22 = 12,179.65 : x
  2. Step 2: Convert to fraction form
    17,913.58/24,704.22 = 12,179.65/x
  3. Step 3: Cross multiply
    17,913.58x = 24,704.22 × 12,179.65
  4. Step 4: Simplify right side
    17,913.58x = 300,888,753.12
  5. Step 5: Solve for x
    x = 300,888,753.12/17,913.58
  6. Step 6: Final answer
    x = 16,796.68

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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.