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Finding the Fourth Proportional to 22,872.35, 34,302.35 and 8,079.32

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Solution

The fourth proportional to 22,872.35, 34,302.35 and 8,079.32 is: 12,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.35 : 34,302.35 = 8,079.32 : x
  2. Step 2: Convert to fraction form
    22,872.35/34,302.35 = 8,079.32/x
  3. Step 3: Cross multiply
    22,872.35x = 34,302.35 × 8,079.32
  4. Step 4: Simplify right side
    22,872.35x = 277,139,450.49
  5. Step 5: Solve for x
    x = 277,139,450.49/22,872.35
  6. Step 6: Final answer
    x = 12,116.79

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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.