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Finding the Fourth Proportional to 4,453.24, 6,680.86 and 1,375

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Solution

The fourth proportional to 4,453.24, 6,680.86 and 1,375 is: 2,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.24 : 6,680.86 = 1,375 : x
  2. Step 2: Convert to fraction form
    4,453.24/6,680.86 = 1,375/x
  3. Step 3: Cross multiply
    4,453.24x = 6,680.86 × 1,375
  4. Step 4: Simplify right side
    4,453.24x = 9,186,182.50
  5. Step 5: Solve for x
    x = 9,186,182.50/4,453.24
  6. Step 6: Final answer
    x = 2,062.81

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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.