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Finding the Fourth Proportional to 4.07, 6.09 and 2.36

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Solution

The fourth proportional to 4.07, 6.09 and 2.36 is: 3.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.07 : 6.09 = 2.36 : x
  2. Step 2: Convert to fraction form
    4.07/6.09 = 2.36/x
  3. Step 3: Cross multiply
    4.07x = 6.09 × 2.36
  4. Step 4: Simplify right side
    4.07x = 14.39
  5. Step 5: Solve for x
    x = 14.39/4.07
  6. Step 6: Final answer
    x = 3.54

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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.