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Finding the Fourth Proportional to 4.43, 6.62 and 4.00

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Solution

The fourth proportional to 4.43, 6.62 and 4.00 is: 5.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.43 : 6.62 = 4.00 : x
  2. Step 2: Convert to fraction form
    4.43/6.62 = 4.00/x
  3. Step 3: Cross multiply
    4.43x = 6.62 × 4.00
  4. Step 4: Simplify right side
    4.43x = 26.49
  5. Step 5: Solve for x
    x = 26.49/4.43
  6. Step 6: Final answer
    x = 5.98

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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.