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Finding the Fourth Proportional to 17,247.98, 25,863.78 and 7,885.22

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Solution

The fourth proportional to 17,247.98, 25,863.78 and 7,885.22 is: 11,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.98 : 25,863.78 = 7,885.22 : x
  2. Step 2: Convert to fraction form
    17,247.98/25,863.78 = 7,885.22/x
  3. Step 3: Cross multiply
    17,247.98x = 25,863.78 × 7,885.22
  4. Step 4: Simplify right side
    17,247.98x = 203,941,595.33
  5. Step 5: Solve for x
    x = 203,941,595.33/17,247.98
  6. Step 6: Final answer
    x = 11,824.09

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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.