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Finding the Fourth Proportional to 11.36, 17.03 and 4.94

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Solution

The fourth proportional to 11.36, 17.03 and 4.94 is: 7.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.36 : 17.03 = 4.94 : x
  2. Step 2: Convert to fraction form
    11.36/17.03 = 4.94/x
  3. Step 3: Cross multiply
    11.36x = 17.03 × 4.94
  4. Step 4: Simplify right side
    11.36x = 84.13
  5. Step 5: Solve for x
    x = 84.13/11.36
  6. Step 6: Final answer
    x = 7.41

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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.