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Finding the Fourth Proportional to 17,168.23, 25,745.86 and 7,927.75

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Solution

The fourth proportional to 17,168.23, 25,745.86 and 7,927.75 is: 11,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.23 : 25,745.86 = 7,927.75 : x
  2. Step 2: Convert to fraction form
    17,168.23/25,745.86 = 7,927.75/x
  3. Step 3: Cross multiply
    17,168.23x = 25,745.86 × 7,927.75
  4. Step 4: Simplify right side
    17,168.23x = 204,106,741.62
  5. Step 5: Solve for x
    x = 204,106,741.62/17,168.23
  6. Step 6: Final answer
    x = 11,888.63

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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.