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Finding the Fourth Proportional to 2.52, 3.46 and 2.34

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Solution

The fourth proportional to 2.52, 3.46 and 2.34 is: 3.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.52 : 3.46 = 2.34 : x
  2. Step 2: Convert to fraction form
    2.52/3.46 = 2.34/x
  3. Step 3: Cross multiply
    2.52x = 3.46 × 2.34
  4. Step 4: Simplify right side
    2.52x = 8.10
  5. Step 5: Solve for x
    x = 8.10/2.52
  6. Step 6: Final answer
    x = 3.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.