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Finding the Fourth Proportional to 17,017.92, 23,469.12 and 11,272.98

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Solution

The fourth proportional to 17,017.92, 23,469.12 and 11,272.98 is: 15,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.92 : 23,469.12 = 11,272.98 : x
  2. Step 2: Convert to fraction form
    17,017.92/23,469.12 = 11,272.98/x
  3. Step 3: Cross multiply
    17,017.92x = 23,469.12 × 11,272.98
  4. Step 4: Simplify right side
    17,017.92x = 264,566,920.38
  5. Step 5: Solve for x
    x = 264,566,920.38/17,017.92
  6. Step 6: Final answer
    x = 15,546.37

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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.