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Finding the Fourth Proportional to 17,157.12, 25,734.24 and 7,923.12

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Solution

The fourth proportional to 17,157.12, 25,734.24 and 7,923.12 is: 11,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.12 : 25,734.24 = 7,923.12 : x
  2. Step 2: Convert to fraction form
    17,157.12/25,734.24 = 7,923.12/x
  3. Step 3: Cross multiply
    17,157.12x = 25,734.24 × 7,923.12
  4. Step 4: Simplify right side
    17,157.12x = 203,895,471.63
  5. Step 5: Solve for x
    x = 203,895,471.63/17,157.12
  6. Step 6: Final answer
    x = 11,884.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.