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Finding the Fourth Proportional to 17,142.14, 25,525.88 and 16,511.56

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Solution

The fourth proportional to 17,142.14, 25,525.88 and 16,511.56 is: 24,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.14 : 25,525.88 = 16,511.56 : x
  2. Step 2: Convert to fraction form
    17,142.14/25,525.88 = 16,511.56/x
  3. Step 3: Cross multiply
    17,142.14x = 25,525.88 × 16,511.56
  4. Step 4: Simplify right side
    17,142.14x = 421,472,099.17
  5. Step 5: Solve for x
    x = 421,472,099.17/17,142.14
  6. Step 6: Final answer
    x = 24,586.90

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.