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Finding the Fourth Proportional to 4,841.37, 7,271.78 and 4,231.44

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Solution

The fourth proportional to 4,841.37, 7,271.78 and 4,231.44 is: 6,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.37 : 7,271.78 = 4,231.44 : x
  2. Step 2: Convert to fraction form
    4,841.37/7,271.78 = 4,231.44/x
  3. Step 3: Cross multiply
    4,841.37x = 7,271.78 × 4,231.44
  4. Step 4: Simplify right side
    4,841.37x = 30,770,079.61
  5. Step 5: Solve for x
    x = 30,770,079.61/4,841.37
  6. Step 6: Final answer
    x = 6,355.66

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1.5x scale

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.