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Finding the Fourth Proportional to 5.36, 7.40 and 4.44

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Solution

The fourth proportional to 5.36, 7.40 and 4.44 is: 6.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.36 : 7.40 = 4.44 : x
  2. Step 2: Convert to fraction form
    5.36/7.40 = 4.44/x
  3. Step 3: Cross multiply
    5.36x = 7.40 × 4.44
  4. Step 4: Simplify right side
    5.36x = 32.83
  5. Step 5: Solve for x
    x = 32.83/5.36
  6. Step 6: Final answer
    x = 6.13

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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.