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Finding the Fourth Proportional to 5,020.70, 7,520.97 and 2,826.14

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Solution

The fourth proportional to 5,020.70, 7,520.97 and 2,826.14 is: 4,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.70 : 7,520.97 = 2,826.14 : x
  2. Step 2: Convert to fraction form
    5,020.70/7,520.97 = 2,826.14/x
  3. Step 3: Cross multiply
    5,020.70x = 7,520.97 × 2,826.14
  4. Step 4: Simplify right side
    5,020.70x = 21,255,314.16
  5. Step 5: Solve for x
    x = 21,255,314.16/5,020.70
  6. Step 6: Final answer
    x = 4,233.54

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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.