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Finding the Fourth Proportional to 6.05, 8.35 and 4.24

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Solution

The fourth proportional to 6.05, 8.35 and 4.24 is: 5.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.05 : 8.35 = 4.24 : x
  2. Step 2: Convert to fraction form
    6.05/8.35 = 4.24/x
  3. Step 3: Cross multiply
    6.05x = 8.35 × 4.24
  4. Step 4: Simplify right side
    6.05x = 35.36
  5. Step 5: Solve for x
    x = 35.36/6.05
  6. Step 6: Final answer
    x = 5.85

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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.