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Finding the Fourth Proportional to 4,995.56, 7,481.64 and 3,948.52

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Solution

The fourth proportional to 4,995.56, 7,481.64 and 3,948.52 is: 5,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.56 : 7,481.64 = 3,948.52 : x
  2. Step 2: Convert to fraction form
    4,995.56/7,481.64 = 3,948.52/x
  3. Step 3: Cross multiply
    4,995.56x = 7,481.64 × 3,948.52
  4. Step 4: Simplify right side
    4,995.56x = 29,541,405.17
  5. Step 5: Solve for x
    x = 29,541,405.17/4,995.56
  6. Step 6: Final answer
    x = 5,913.53

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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.