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Finding the Fourth Proportional to 3,330.54, 4,996.81 and 1,576.88

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Solution

The fourth proportional to 3,330.54, 4,996.81 and 1,576.88 is: 2,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.54 : 4,996.81 = 1,576.88 : x
  2. Step 2: Convert to fraction form
    3,330.54/4,996.81 = 1,576.88/x
  3. Step 3: Cross multiply
    3,330.54x = 4,996.81 × 1,576.88
  4. Step 4: Simplify right side
    3,330.54x = 7,879,369.75
  5. Step 5: Solve for x
    x = 7,879,369.75/3,330.54
  6. Step 6: Final answer
    x = 2,365.79

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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.