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Finding the Fourth Proportional to 6.95, 9.58 and 6.62

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Solution

The fourth proportional to 6.95, 9.58 and 6.62 is: 9.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.95 : 9.58 = 6.62 : x
  2. Step 2: Convert to fraction form
    6.95/9.58 = 6.62/x
  3. Step 3: Cross multiply
    6.95x = 9.58 × 6.62
  4. Step 4: Simplify right side
    6.95x = 63.42
  5. Step 5: Solve for x
    x = 63.42/6.95
  6. Step 6: Final answer
    x = 9.13

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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.