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Finding the Fourth Proportional to 6.95, 10.45 and 6.26

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Solution

The fourth proportional to 6.95, 10.45 and 6.26 is: 9.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.95 : 10.45 = 6.26 : x
  2. Step 2: Convert to fraction form
    6.95/10.45 = 6.26/x
  3. Step 3: Cross multiply
    6.95x = 10.45 × 6.26
  4. Step 4: Simplify right side
    6.95x = 65.40
  5. Step 5: Solve for x
    x = 65.40/6.95
  6. Step 6: Final answer
    x = 9.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.