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Finding the Fourth Proportional to 5.84, 7.96 and 5.73

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Solution

The fourth proportional to 5.84, 7.96 and 5.73 is: 7.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.84 : 7.96 = 5.73 : x
  2. Step 2: Convert to fraction form
    5.84/7.96 = 5.73/x
  3. Step 3: Cross multiply
    5.84x = 7.96 × 5.73
  4. Step 4: Simplify right side
    5.84x = 45.56
  5. Step 5: Solve for x
    x = 45.56/5.84
  6. Step 6: Final answer
    x = 7.80

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.