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Finding the Fourth Proportional to 3,888.33, 5,835.45 and 2,850.96

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Solution

The fourth proportional to 3,888.33, 5,835.45 and 2,850.96 is: 4,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.33 : 5,835.45 = 2,850.96 : x
  2. Step 2: Convert to fraction form
    3,888.33/5,835.45 = 2,850.96/x
  3. Step 3: Cross multiply
    3,888.33x = 5,835.45 × 2,850.96
  4. Step 4: Simplify right side
    3,888.33x = 16,636,634.53
  5. Step 5: Solve for x
    x = 16,636,634.53/3,888.33
  6. Step 6: Final answer
    x = 4,278.61

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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.