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Finding the Fourth Proportional to 16,752.62, 23,118.94 and 9,198.88

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Solution

The fourth proportional to 16,752.62, 23,118.94 and 9,198.88 is: 12,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.62 : 23,118.94 = 9,198.88 : x
  2. Step 2: Convert to fraction form
    16,752.62/23,118.94 = 9,198.88/x
  3. Step 3: Cross multiply
    16,752.62x = 23,118.94 × 9,198.88
  4. Step 4: Simplify right side
    16,752.62x = 212,668,354.79
  5. Step 5: Solve for x
    x = 212,668,354.79/16,752.62
  6. Step 6: Final answer
    x = 12,694.63

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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.