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Finding the Fourth Proportional to 4,984.99, 6,879.94 and 2,996.65

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Solution

The fourth proportional to 4,984.99, 6,879.94 and 2,996.65 is: 4,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.99 : 6,879.94 = 2,996.65 : x
  2. Step 2: Convert to fraction form
    4,984.99/6,879.94 = 2,996.65/x
  3. Step 3: Cross multiply
    4,984.99x = 6,879.94 × 2,996.65
  4. Step 4: Simplify right side
    4,984.99x = 20,616,734.61
  5. Step 5: Solve for x
    x = 20,616,734.61/4,984.99
  6. Step 6: Final answer
    x = 4,135.76

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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.