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Finding the Fourth Proportional to 6,481.16, 8,943.35 and 3,648.47

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Solution

The fourth proportional to 6,481.16, 8,943.35 and 3,648.47 is: 5,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.16 : 8,943.35 = 3,648.47 : x
  2. Step 2: Convert to fraction form
    6,481.16/8,943.35 = 3,648.47/x
  3. Step 3: Cross multiply
    6,481.16x = 8,943.35 × 3,648.47
  4. Step 4: Simplify right side
    6,481.16x = 32,629,481.22
  5. Step 5: Solve for x
    x = 32,629,481.22/6,481.16
  6. Step 6: Final answer
    x = 5,034.52

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Why These Related Problems?

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