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Finding the Fourth Proportional to 22,274.92, 33,394.02 and 18,104.50

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Solution

The fourth proportional to 22,274.92, 33,394.02 and 18,104.50 is: 27,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.92 : 33,394.02 = 18,104.50 : x
  2. Step 2: Convert to fraction form
    22,274.92/33,394.02 = 18,104.50/x
  3. Step 3: Cross multiply
    22,274.92x = 33,394.02 × 18,104.50
  4. Step 4: Simplify right side
    22,274.92x = 604,582,035.09
  5. Step 5: Solve for x
    x = 604,582,035.09/22,274.92
  6. Step 6: Final answer
    x = 27,141.83

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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.