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Finding the Fourth Proportional to 3.34, 4.61 and 2.43

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Solution

The fourth proportional to 3.34, 4.61 and 2.43 is: 3.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.34 : 4.61 = 2.43 : x
  2. Step 2: Convert to fraction form
    3.34/4.61 = 2.43/x
  3. Step 3: Cross multiply
    3.34x = 4.61 × 2.43
  4. Step 4: Simplify right side
    3.34x = 11.23
  5. Step 5: Solve for x
    x = 11.23/3.34
  6. Step 6: Final answer
    x = 3.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.