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Finding the Fourth Proportional to 17,180.14, 25,745.90 and 7,309.48

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Solution

The fourth proportional to 17,180.14, 25,745.90 and 7,309.48 is: 10,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.14 : 25,745.90 = 7,309.48 : x
  2. Step 2: Convert to fraction form
    17,180.14/25,745.90 = 7,309.48/x
  3. Step 3: Cross multiply
    17,180.14x = 25,745.90 × 7,309.48
  4. Step 4: Simplify right side
    17,180.14x = 188,189,012.40
  5. Step 5: Solve for x
    x = 188,189,012.40/17,180.14
  6. Step 6: Final answer
    x = 10,953.87

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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.