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Finding the Fourth Proportional to 6.69, 10.03 and 4.68

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Solution

The fourth proportional to 6.69, 10.03 and 4.68 is: 7.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.69 : 10.03 = 4.68 : x
  2. Step 2: Convert to fraction form
    6.69/10.03 = 4.68/x
  3. Step 3: Cross multiply
    6.69x = 10.03 × 4.68
  4. Step 4: Simplify right side
    6.69x = 46.94
  5. Step 5: Solve for x
    x = 46.94/6.69
  6. Step 6: Final answer
    x = 7.02

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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.