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Finding the Fourth Proportional to 4,481.08, 6,719.30 and 2,013.79

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Solution

The fourth proportional to 4,481.08, 6,719.30 and 2,013.79 is: 3,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.08 : 6,719.30 = 2,013.79 : x
  2. Step 2: Convert to fraction form
    4,481.08/6,719.30 = 2,013.79/x
  3. Step 3: Cross multiply
    4,481.08x = 6,719.30 × 2,013.79
  4. Step 4: Simplify right side
    4,481.08x = 13,531,215.48
  5. Step 5: Solve for x
    x = 13,531,215.48/4,481.08
  6. Step 6: Final answer
    x = 3,019.64

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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.