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Finding the Fourth Proportional to 8,363.74, 12,544.19 and 2,518.99

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Solution

The fourth proportional to 8,363.74, 12,544.19 and 2,518.99 is: 3,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.74 : 12,544.19 = 2,518.99 : x
  2. Step 2: Convert to fraction form
    8,363.74/12,544.19 = 2,518.99/x
  3. Step 3: Cross multiply
    8,363.74x = 12,544.19 × 2,518.99
  4. Step 4: Simplify right side
    8,363.74x = 31,598,613.85
  5. Step 5: Solve for x
    x = 31,598,613.85/8,363.74
  6. Step 6: Final answer
    x = 3,778.05

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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.