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Finding the Fourth Proportional to 8,738.28, 13,105.22 and 2,498.32

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Solution

The fourth proportional to 8,738.28, 13,105.22 and 2,498.32 is: 3,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.28 : 13,105.22 = 2,498.32 : x
  2. Step 2: Convert to fraction form
    8,738.28/13,105.22 = 2,498.32/x
  3. Step 3: Cross multiply
    8,738.28x = 13,105.22 × 2,498.32
  4. Step 4: Simplify right side
    8,738.28x = 32,741,090.22
  5. Step 5: Solve for x
    x = 32,741,090.22/8,738.28
  6. Step 6: Final answer
    x = 3,746.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.