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Finding the Fourth Proportional to 17,232.56, 25,859.76 and 7,380.12

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Solution

The fourth proportional to 17,232.56, 25,859.76 and 7,380.12 is: 11,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232.56 : 25,859.76 = 7,380.12 : x
  2. Step 2: Convert to fraction form
    17,232.56/25,859.76 = 7,380.12/x
  3. Step 3: Cross multiply
    17,232.56x = 25,859.76 × 7,380.12
  4. Step 4: Simplify right side
    17,232.56x = 190,848,131.97
  5. Step 5: Solve for x
    x = 190,848,131.97/17,232.56
  6. Step 6: Final answer
    x = 11,074.86

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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.