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Finding the Fourth Proportional to 8,917.44, 13,375.60 and 2,343.48

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Solution

The fourth proportional to 8,917.44, 13,375.60 and 2,343.48 is: 3,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.44 : 13,375.60 = 2,343.48 : x
  2. Step 2: Convert to fraction form
    8,917.44/13,375.60 = 2,343.48/x
  3. Step 3: Cross multiply
    8,917.44x = 13,375.60 × 2,343.48
  4. Step 4: Simplify right side
    8,917.44x = 31,345,451.09
  5. Step 5: Solve for x
    x = 31,345,451.09/8,917.44
  6. Step 6: Final answer
    x = 3,515.07

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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.