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Finding the Fourth Proportional to 2,868.33, 4,302.48 and 1,894.20

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Solution

The fourth proportional to 2,868.33, 4,302.48 and 1,894.20 is: 2,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.33 : 4,302.48 = 1,894.20 : x
  2. Step 2: Convert to fraction form
    2,868.33/4,302.48 = 1,894.20/x
  3. Step 3: Cross multiply
    2,868.33x = 4,302.48 × 1,894.20
  4. Step 4: Simplify right side
    2,868.33x = 8,149,757.62
  5. Step 5: Solve for x
    x = 8,149,757.62/2,868.33
  6. Step 6: Final answer
    x = 2,841.29

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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.