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Finding the Fourth Proportional to 17,787.27, 26,680.94 and 16,704.71

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Solution

The fourth proportional to 17,787.27, 26,680.94 and 16,704.71 is: 25,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.27 : 26,680.94 = 16,704.71 : x
  2. Step 2: Convert to fraction form
    17,787.27/26,680.94 = 16,704.71/x
  3. Step 3: Cross multiply
    17,787.27x = 26,680.94 × 16,704.71
  4. Step 4: Simplify right side
    17,787.27x = 445,697,148.30
  5. Step 5: Solve for x
    x = 445,697,148.30/17,787.27
  6. Step 6: Final answer
    x = 25,057.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.