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Finding the Fourth Proportional to 2.92, 4.36 and 2.46

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Solution

The fourth proportional to 2.92, 4.36 and 2.46 is: 3.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.92 : 4.36 = 2.46 : x
  2. Step 2: Convert to fraction form
    2.92/4.36 = 2.46/x
  3. Step 3: Cross multiply
    2.92x = 4.36 × 2.46
  4. Step 4: Simplify right side
    2.92x = 10.73
  5. Step 5: Solve for x
    x = 10.73/2.92
  6. Step 6: Final answer
    x = 3.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.