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Finding the Fourth Proportional to 16,631.88, 22,952.02 and 9,179.88

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Solution

The fourth proportional to 16,631.88, 22,952.02 and 9,179.88 is: 12,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.88 : 22,952.02 = 9,179.88 : x
  2. Step 2: Convert to fraction form
    16,631.88/22,952.02 = 9,179.88/x
  3. Step 3: Cross multiply
    16,631.88x = 22,952.02 × 9,179.88
  4. Step 4: Simplify right side
    16,631.88x = 210,696,789.36
  5. Step 5: Solve for x
    x = 210,696,789.36/16,631.88
  6. Step 6: Final answer
    x = 12,668.25

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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.