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Finding the Fourth Proportional to 2,676.08, 4,020.60 and 1,704.08

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Solution

The fourth proportional to 2,676.08, 4,020.60 and 1,704.08 is: 2,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.08 : 4,020.60 = 1,704.08 : x
  2. Step 2: Convert to fraction form
    2,676.08/4,020.60 = 1,704.08/x
  3. Step 3: Cross multiply
    2,676.08x = 4,020.60 × 1,704.08
  4. Step 4: Simplify right side
    2,676.08x = 6,851,424.05
  5. Step 5: Solve for x
    x = 6,851,424.05/2,676.08
  6. Step 6: Final answer
    x = 2,560.25

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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.