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Finding the Fourth Proportional to 17,196.76, 23,722.79 and 11,231.92

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Solution

The fourth proportional to 17,196.76, 23,722.79 and 11,231.92 is: 15,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,196.76 : 23,722.79 = 11,231.92 : x
  2. Step 2: Convert to fraction form
    17,196.76/23,722.79 = 11,231.92/x
  3. Step 3: Cross multiply
    17,196.76x = 23,722.79 × 11,231.92
  4. Step 4: Simplify right side
    17,196.76x = 266,452,360.84
  5. Step 5: Solve for x
    x = 266,452,360.84/17,196.76
  6. Step 6: Final answer
    x = 15,494.34

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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.