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Finding the Fourth Proportional to 8,908.75, 13,366.18 and 3,363.68

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Solution

The fourth proportional to 8,908.75, 13,366.18 and 3,363.68 is: 5,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.75 : 13,366.18 = 3,363.68 : x
  2. Step 2: Convert to fraction form
    8,908.75/13,366.18 = 3,363.68/x
  3. Step 3: Cross multiply
    8,908.75x = 13,366.18 × 3,363.68
  4. Step 4: Simplify right side
    8,908.75x = 44,959,483.33
  5. Step 5: Solve for x
    x = 44,959,483.33/8,908.75
  6. Step 6: Final answer
    x = 5,046.67

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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.