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Finding the Fourth Proportional to 5,351.58, 8,020.02 and 3,012.69

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Solution

The fourth proportional to 5,351.58, 8,020.02 and 3,012.69 is: 4,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.58 : 8,020.02 = 3,012.69 : x
  2. Step 2: Convert to fraction form
    5,351.58/8,020.02 = 3,012.69/x
  3. Step 3: Cross multiply
    5,351.58x = 8,020.02 × 3,012.69
  4. Step 4: Simplify right side
    5,351.58x = 24,161,834.05
  5. Step 5: Solve for x
    x = 24,161,834.05/5,351.58
  6. Step 6: Final answer
    x = 4,514.90

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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.