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Finding the Fourth Proportional to 8,245, 11,378.10 and 4,519.24

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Solution

The fourth proportional to 8,245, 11,378.10 and 4,519.24 is: 6,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245 : 11,378.10 = 4,519.24 : x
  2. Step 2: Convert to fraction form
    8,245/11,378.10 = 4,519.24/x
  3. Step 3: Cross multiply
    8,245x = 11,378.10 × 4,519.24
  4. Step 4: Simplify right side
    8,245x = 51,420,364.64
  5. Step 5: Solve for x
    x = 51,420,364.64/8,245
  6. Step 6: Final answer
    x = 6,236.55

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