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Finding the Fourth Proportional to 5,272.08, 7,913.04 and 2,676.96

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Solution

The fourth proportional to 5,272.08, 7,913.04 and 2,676.96 is: 4,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.08 : 7,913.04 = 2,676.96 : x
  2. Step 2: Convert to fraction form
    5,272.08/7,913.04 = 2,676.96/x
  3. Step 3: Cross multiply
    5,272.08x = 7,913.04 × 2,676.96
  4. Step 4: Simplify right side
    5,272.08x = 21,182,891.56
  5. Step 5: Solve for x
    x = 21,182,891.56/5,272.08
  6. Step 6: Final answer
    x = 4,017.94

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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.