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Finding the Fourth Proportional to 7.37, 11.04 and 3.56

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Solution

The fourth proportional to 7.37, 11.04 and 3.56 is: 5.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.37 : 11.04 = 3.56 : x
  2. Step 2: Convert to fraction form
    7.37/11.04 = 3.56/x
  3. Step 3: Cross multiply
    7.37x = 11.04 × 3.56
  4. Step 4: Simplify right side
    7.37x = 39.30
  5. Step 5: Solve for x
    x = 39.30/7.37
  6. Step 6: Final answer
    x = 5.33

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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.