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Finding the Fourth Proportional to 24,391.76, 33,660.54 and 13,213.76

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Solution

The fourth proportional to 24,391.76, 33,660.54 and 13,213.76 is: 18,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,391.76 : 33,660.54 = 13,213.76 : x
  2. Step 2: Convert to fraction form
    24,391.76/33,660.54 = 13,213.76/x
  3. Step 3: Cross multiply
    24,391.76x = 33,660.54 × 13,213.76
  4. Step 4: Simplify right side
    24,391.76x = 444,782,297.03
  5. Step 5: Solve for x
    x = 444,782,297.03/24,391.76
  6. Step 6: Final answer
    x = 18,234.94

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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.