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Finding the Fourth Proportional to 23,956.36, 35,919.90 and 11,480.20

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Solution

The fourth proportional to 23,956.36, 35,919.90 and 11,480.20 is: 17,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,956.36 : 35,919.90 = 11,480.20 : x
  2. Step 2: Convert to fraction form
    23,956.36/35,919.90 = 11,480.20/x
  3. Step 3: Cross multiply
    23,956.36x = 35,919.90 × 11,480.20
  4. Step 4: Simplify right side
    23,956.36x = 412,367,635.98
  5. Step 5: Solve for x
    x = 412,367,635.98/23,956.36
  6. Step 6: Final answer
    x = 17,213.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.