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Finding the Fourth Proportional to 4.49, 6.73 and 4.00

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Solution

The fourth proportional to 4.49, 6.73 and 4.00 is: 5.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.49 : 6.73 = 4.00 : x
  2. Step 2: Convert to fraction form
    4.49/6.73 = 4.00/x
  3. Step 3: Cross multiply
    4.49x = 6.73 × 4.00
  4. Step 4: Simplify right side
    4.49x = 26.89
  5. Step 5: Solve for x
    x = 26.89/4.49
  6. Step 6: Final answer
    x = 5.99

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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.