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Finding the Fourth Proportional to 8,833.90, 13,247.44 and 3,764.87

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Solution

The fourth proportional to 8,833.90, 13,247.44 and 3,764.87 is: 5,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.90 : 13,247.44 = 3,764.87 : x
  2. Step 2: Convert to fraction form
    8,833.90/13,247.44 = 3,764.87/x
  3. Step 3: Cross multiply
    8,833.90x = 13,247.44 × 3,764.87
  4. Step 4: Simplify right side
    8,833.90x = 49,874,889.43
  5. Step 5: Solve for x
    x = 49,874,889.43/8,833.90
  6. Step 6: Final answer
    x = 5,645.85

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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.