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Finding the Fourth Proportional to 6.95, 10.37 and 6.44

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Solution

The fourth proportional to 6.95, 10.37 and 6.44 is: 9.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.95 : 10.37 = 6.44 : x
  2. Step 2: Convert to fraction form
    6.95/10.37 = 6.44/x
  3. Step 3: Cross multiply
    6.95x = 10.37 × 6.44
  4. Step 4: Simplify right side
    6.95x = 66.70
  5. Step 5: Solve for x
    x = 66.70/6.95
  6. Step 6: Final answer
    x = 9.60

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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.