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Finding the Fourth Proportional to 17,586.45, 24,280.63 and 15,694.79

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Solution

The fourth proportional to 17,586.45, 24,280.63 and 15,694.79 is: 21,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,586.45 : 24,280.63 = 15,694.79 : x
  2. Step 2: Convert to fraction form
    17,586.45/24,280.63 = 15,694.79/x
  3. Step 3: Cross multiply
    17,586.45x = 24,280.63 × 15,694.79
  4. Step 4: Simplify right side
    17,586.45x = 381,079,310.44
  5. Step 5: Solve for x
    x = 381,079,310.44/17,586.45
  6. Step 6: Final answer
    x = 21,668.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.