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Finding the Fourth Proportional to 17,881.63, 26,819.41 and 4,735.33

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Solution

The fourth proportional to 17,881.63, 26,819.41 and 4,735.33 is: 7,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.63 : 26,819.41 = 4,735.33 : x
  2. Step 2: Convert to fraction form
    17,881.63/26,819.41 = 4,735.33/x
  3. Step 3: Cross multiply
    17,881.63x = 26,819.41 × 4,735.33
  4. Step 4: Simplify right side
    17,881.63x = 126,998,850.92
  5. Step 5: Solve for x
    x = 126,998,850.92/17,881.63
  6. Step 6: Final answer
    x = 7,102.20

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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.