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Finding the Fourth Proportional to 6.41, 9.56 and 6.05

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Solution

The fourth proportional to 6.41, 9.56 and 6.05 is: 9.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.41 : 9.56 = 6.05 : x
  2. Step 2: Convert to fraction form
    6.41/9.56 = 6.05/x
  3. Step 3: Cross multiply
    6.41x = 9.56 × 6.05
  4. Step 4: Simplify right side
    6.41x = 57.76
  5. Step 5: Solve for x
    x = 57.76/6.41
  6. Step 6: Final answer
    x = 9.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.