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Finding the Fourth Proportional to 4.83, 6.64 and 4.38

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Solution

The fourth proportional to 4.83, 6.64 and 4.38 is: 6.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.83 : 6.64 = 4.38 : x
  2. Step 2: Convert to fraction form
    4.83/6.64 = 4.38/x
  3. Step 3: Cross multiply
    4.83x = 6.64 × 4.38
  4. Step 4: Simplify right side
    4.83x = 29.08
  5. Step 5: Solve for x
    x = 29.08/4.83
  6. Step 6: Final answer
    x = 6.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.