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Finding the Fourth Proportional to 16,730.92, 25,092.17 and 6,872.92

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Solution

The fourth proportional to 16,730.92, 25,092.17 and 6,872.92 is: 10,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.92 : 25,092.17 = 6,872.92 : x
  2. Step 2: Convert to fraction form
    16,730.92/25,092.17 = 6,872.92/x
  3. Step 3: Cross multiply
    16,730.92x = 25,092.17 × 6,872.92
  4. Step 4: Simplify right side
    16,730.92x = 172,456,477.04
  5. Step 5: Solve for x
    x = 172,456,477.04/16,730.92
  6. Step 6: Final answer
    x = 10,307.65

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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.