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Finding the Fourth Proportional to 3,336.82, 5,005.94 and 996.93

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Solution

The fourth proportional to 3,336.82, 5,005.94 and 996.93 is: 1,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.82 : 5,005.94 = 996.93 : x
  2. Step 2: Convert to fraction form
    3,336.82/5,005.94 = 996.93/x
  3. Step 3: Cross multiply
    3,336.82x = 5,005.94 × 996.93
  4. Step 4: Simplify right side
    3,336.82x = 4,990,566.78
  5. Step 5: Solve for x
    x = 4,990,566.78/3,336.82
  6. Step 6: Final answer
    x = 1,495.61

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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.