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Finding the Fourth Proportional to 17,245.60, 25,868.40 and 15,366.40

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Solution

The fourth proportional to 17,245.60, 25,868.40 and 15,366.40 is: 23,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.60 : 25,868.40 = 15,366.40 : x
  2. Step 2: Convert to fraction form
    17,245.60/25,868.40 = 15,366.40/x
  3. Step 3: Cross multiply
    17,245.60x = 25,868.40 × 15,366.40
  4. Step 4: Simplify right side
    17,245.60x = 397,504,181.76
  5. Step 5: Solve for x
    x = 397,504,181.76/17,245.60
  6. Step 6: Final answer
    x = 23,049.60

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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.