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Finding the Fourth Proportional to 17,469.72, 24,118.11 and 11,518.74

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Solution

The fourth proportional to 17,469.72, 24,118.11 and 11,518.74 is: 15,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.72 : 24,118.11 = 11,518.74 : x
  2. Step 2: Convert to fraction form
    17,469.72/24,118.11 = 11,518.74/x
  3. Step 3: Cross multiply
    17,469.72x = 24,118.11 × 11,518.74
  4. Step 4: Simplify right side
    17,469.72x = 277,810,238.38
  5. Step 5: Solve for x
    x = 277,810,238.38/17,469.72
  6. Step 6: Final answer
    x = 15,902.39

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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.