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Finding the Fourth Proportional to 8,751.44, 13,119.71 and 3,817.46

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Solution

The fourth proportional to 8,751.44, 13,119.71 and 3,817.46 is: 5,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.44 : 13,119.71 = 3,817.46 : x
  2. Step 2: Convert to fraction form
    8,751.44/13,119.71 = 3,817.46/x
  3. Step 3: Cross multiply
    8,751.44x = 13,119.71 × 3,817.46
  4. Step 4: Simplify right side
    8,751.44x = 50,083,981.85
  5. Step 5: Solve for x
    x = 50,083,981.85/8,751.44
  6. Step 6: Final answer
    x = 5,722.94

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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.