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Finding the Fourth Proportional to 16,844.22, 25,271.79 and 8,079.81

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Solution

The fourth proportional to 16,844.22, 25,271.79 and 8,079.81 is: 12,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.22 : 25,271.79 = 8,079.81 : x
  2. Step 2: Convert to fraction form
    16,844.22/25,271.79 = 8,079.81/x
  3. Step 3: Cross multiply
    16,844.22x = 25,271.79 × 8,079.81
  4. Step 4: Simplify right side
    16,844.22x = 204,191,261.56
  5. Step 5: Solve for x
    x = 204,191,261.56/16,844.22
  6. Step 6: Final answer
    x = 12,122.33

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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.