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Finding the Fourth Proportional to 22,388.77, 33,583.18 and 8,348.58

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Solution

The fourth proportional to 22,388.77, 33,583.18 and 8,348.58 is: 12,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.77 : 33,583.18 = 8,348.58 : x
  2. Step 2: Convert to fraction form
    22,388.77/33,583.18 = 8,348.58/x
  3. Step 3: Cross multiply
    22,388.77x = 33,583.18 × 8,348.58
  4. Step 4: Simplify right side
    22,388.77x = 280,371,864.88
  5. Step 5: Solve for x
    x = 280,371,864.88/22,388.77
  6. Step 6: Final answer
    x = 12,522.88

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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.