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Finding the Fourth Proportional to 17,231.56, 25,858.26 and 7,379.12

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Solution

The fourth proportional to 17,231.56, 25,858.26 and 7,379.12 is: 11,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.56 : 25,858.26 = 7,379.12 : x
  2. Step 2: Convert to fraction form
    17,231.56/25,858.26 = 7,379.12/x
  3. Step 3: Cross multiply
    17,231.56x = 25,858.26 × 7,379.12
  4. Step 4: Simplify right side
    17,231.56x = 190,811,203.53
  5. Step 5: Solve for x
    x = 190,811,203.53/17,231.56
  6. Step 6: Final answer
    x = 11,073.36

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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.