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Finding the Fourth Proportional to 16,273.08, 22,456.78 and 8,821.08

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Solution

The fourth proportional to 16,273.08, 22,456.78 and 8,821.08 is: 12,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,273.08 : 22,456.78 = 8,821.08 : x
  2. Step 2: Convert to fraction form
    16,273.08/22,456.78 = 8,821.08/x
  3. Step 3: Cross multiply
    16,273.08x = 22,456.78 × 8,821.08
  4. Step 4: Simplify right side
    16,273.08x = 198,093,052.92
  5. Step 5: Solve for x
    x = 198,093,052.92/16,273.08
  6. Step 6: Final answer
    x = 12,173.05

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1.5x scale

Why These Related Problems?

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