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Finding the Fourth Proportional to 6,852, 10,279.44 and 2,748

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Solution

The fourth proportional to 6,852, 10,279.44 and 2,748 is: 4,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852 : 10,279.44 = 2,748 : x
  2. Step 2: Convert to fraction form
    6,852/10,279.44 = 2,748/x
  3. Step 3: Cross multiply
    6,852x = 10,279.44 × 2,748
  4. Step 4: Simplify right side
    6,852x = 28,247,901.12
  5. Step 5: Solve for x
    x = 28,247,901.12/6,852
  6. Step 6: Final answer
    x = 4,122.58

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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.