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Finding the Fourth Proportional to 17,212.84, 25,815.62 and 5,523.33

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Solution

The fourth proportional to 17,212.84, 25,815.62 and 5,523.33 is: 8,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.84 : 25,815.62 = 5,523.33 : x
  2. Step 2: Convert to fraction form
    17,212.84/25,815.62 = 5,523.33/x
  3. Step 3: Cross multiply
    17,212.84x = 25,815.62 × 5,523.33
  4. Step 4: Simplify right side
    17,212.84x = 142,588,063.99
  5. Step 5: Solve for x
    x = 142,588,063.99/17,212.84
  6. Step 6: Final answer
    x = 8,283.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.