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Finding the Fourth Proportional to 16,908.35, 25,348.78 and 7,054.97

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Solution

The fourth proportional to 16,908.35, 25,348.78 and 7,054.97 is: 10,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.35 : 25,348.78 = 7,054.97 : x
  2. Step 2: Convert to fraction form
    16,908.35/25,348.78 = 7,054.97/x
  3. Step 3: Cross multiply
    16,908.35x = 25,348.78 × 7,054.97
  4. Step 4: Simplify right side
    16,908.35x = 178,834,882.44
  5. Step 5: Solve for x
    x = 178,834,882.44/16,908.35
  6. Step 6: Final answer
    x = 10,576.72

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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.