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Finding the Fourth Proportional to 8,029.64, 11,080.92 and 4,493

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Solution

The fourth proportional to 8,029.64, 11,080.92 and 4,493 is: 6,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.64 : 11,080.92 = 4,493 : x
  2. Step 2: Convert to fraction form
    8,029.64/11,080.92 = 4,493/x
  3. Step 3: Cross multiply
    8,029.64x = 11,080.92 × 4,493
  4. Step 4: Simplify right side
    8,029.64x = 49,786,573.56
  5. Step 5: Solve for x
    x = 49,786,573.56/8,029.64
  6. Step 6: Final answer
    x = 6,200.35

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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.