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Finding the Fourth Proportional to 4,889.84, 6,748.52 and 2,793.96

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Solution

The fourth proportional to 4,889.84, 6,748.52 and 2,793.96 is: 3,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.84 : 6,748.52 = 2,793.96 : x
  2. Step 2: Convert to fraction form
    4,889.84/6,748.52 = 2,793.96/x
  3. Step 3: Cross multiply
    4,889.84x = 6,748.52 × 2,793.96
  4. Step 4: Simplify right side
    4,889.84x = 18,855,080.97
  5. Step 5: Solve for x
    x = 18,855,080.97/4,889.84
  6. Step 6: Final answer
    x = 3,855.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.