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Finding the Fourth Proportional to 4,855.86, 6,701.18 and 2,731.44

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Solution

The fourth proportional to 4,855.86, 6,701.18 and 2,731.44 is: 3,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.86 : 6,701.18 = 2,731.44 : x
  2. Step 2: Convert to fraction form
    4,855.86/6,701.18 = 2,731.44/x
  3. Step 3: Cross multiply
    4,855.86x = 6,701.18 × 2,731.44
  4. Step 4: Simplify right side
    4,855.86x = 18,303,871.10
  5. Step 5: Solve for x
    x = 18,303,871.10/4,855.86
  6. Step 6: Final answer
    x = 3,769.44

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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.