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Finding the Fourth Proportional to 17,245.41, 25,872.89 and 6,864.45

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Solution

The fourth proportional to 17,245.41, 25,872.89 and 6,864.45 is: 10,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.41 : 25,872.89 = 6,864.45 : x
  2. Step 2: Convert to fraction form
    17,245.41/25,872.89 = 6,864.45/x
  3. Step 3: Cross multiply
    17,245.41x = 25,872.89 × 6,864.45
  4. Step 4: Simplify right side
    17,245.41x = 177,603,159.76
  5. Step 5: Solve for x
    x = 177,603,159.76/17,245.41
  6. Step 6: Final answer
    x = 10,298.58

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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.