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Finding the Fourth Proportional to 17,007, 23,469.66 and 9,555

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Solution

The fourth proportional to 17,007, 23,469.66 and 9,555 is: 13,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007 : 23,469.66 = 9,555 : x
  2. Step 2: Convert to fraction form
    17,007/23,469.66 = 9,555/x
  3. Step 3: Cross multiply
    17,007x = 23,469.66 × 9,555
  4. Step 4: Simplify right side
    17,007x = 224,252,601.30
  5. Step 5: Solve for x
    x = 224,252,601.30/17,007
  6. Step 6: Final answer
    x = 13,185.90

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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.