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Finding the Fourth Proportional to 5.92, 8.17 and 4.55

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Solution

The fourth proportional to 5.92, 8.17 and 4.55 is: 6.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.92 : 8.17 = 4.55 : x
  2. Step 2: Convert to fraction form
    5.92/8.17 = 4.55/x
  3. Step 3: Cross multiply
    5.92x = 8.17 × 4.55
  4. Step 4: Simplify right side
    5.92x = 37.17
  5. Step 5: Solve for x
    x = 37.17/5.92
  6. Step 6: Final answer
    x = 6.28

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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.