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Finding the Fourth Proportional to 4.63, 6.95 and 2.64

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Solution

The fourth proportional to 4.63, 6.95 and 2.64 is: 3.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.63 : 6.95 = 2.64 : x
  2. Step 2: Convert to fraction form
    4.63/6.95 = 2.64/x
  3. Step 3: Cross multiply
    4.63x = 6.95 × 2.64
  4. Step 4: Simplify right side
    4.63x = 18.36
  5. Step 5: Solve for x
    x = 18.36/4.63
  6. Step 6: Final answer
    x = 3.96

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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.