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Finding the Fourth Proportional to 4,906.58, 6,771.26 and 2,811.11

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Solution

The fourth proportional to 4,906.58, 6,771.26 and 2,811.11 is: 3,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.58 : 6,771.26 = 2,811.11 : x
  2. Step 2: Convert to fraction form
    4,906.58/6,771.26 = 2,811.11/x
  3. Step 3: Cross multiply
    4,906.58x = 6,771.26 × 2,811.11
  4. Step 4: Simplify right side
    4,906.58x = 19,034,798.62
  5. Step 5: Solve for x
    x = 19,034,798.62/4,906.58
  6. Step 6: Final answer
    x = 3,879.44

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1.5x scale

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.