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Finding the Fourth Proportional to 17,283.72, 25,910.64 and 6,888.72

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Solution

The fourth proportional to 17,283.72, 25,910.64 and 6,888.72 is: 10,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,283.72 : 25,910.64 = 6,888.72 : x
  2. Step 2: Convert to fraction form
    17,283.72/25,910.64 = 6,888.72/x
  3. Step 3: Cross multiply
    17,283.72x = 25,910.64 × 6,888.72
  4. Step 4: Simplify right side
    17,283.72x = 178,491,143.98
  5. Step 5: Solve for x
    x = 178,491,143.98/17,283.72
  6. Step 6: Final answer
    x = 10,327.13

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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.