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Finding the Fourth Proportional to 8,747.44, 12,068 and 5,764.72

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Solution

The fourth proportional to 8,747.44, 12,068 and 5,764.72 is: 7,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.44 : 12,068 = 5,764.72 : x
  2. Step 2: Convert to fraction form
    8,747.44/12,068 = 5,764.72/x
  3. Step 3: Cross multiply
    8,747.44x = 12,068 × 5,764.72
  4. Step 4: Simplify right side
    8,747.44x = 69,568,640.96
  5. Step 5: Solve for x
    x = 69,568,640.96/8,747.44
  6. Step 6: Final answer
    x = 7,953.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.