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Finding the Fourth Proportional to 5.94, 8.19 and 5.49

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Solution

The fourth proportional to 5.94, 8.19 and 5.49 is: 7.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.94 : 8.19 = 5.49 : x
  2. Step 2: Convert to fraction form
    5.94/8.19 = 5.49/x
  3. Step 3: Cross multiply
    5.94x = 8.19 × 5.49
  4. Step 4: Simplify right side
    5.94x = 44.96
  5. Step 5: Solve for x
    x = 44.96/5.94
  6. Step 6: Final answer
    x = 7.57

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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.