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Finding the Fourth Proportional to 7.37, 11.08 and 7.01

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Solution

The fourth proportional to 7.37, 11.08 and 7.01 is: 10.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.37 : 11.08 = 7.01 : x
  2. Step 2: Convert to fraction form
    7.37/11.08 = 7.01/x
  3. Step 3: Cross multiply
    7.37x = 11.08 × 7.01
  4. Step 4: Simplify right side
    7.37x = 77.68
  5. Step 5: Solve for x
    x = 77.68/7.37
  6. Step 6: Final answer
    x = 10.54

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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.