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Finding the Fourth Proportional to 2.94, 4.41 and 1.75

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Solution

The fourth proportional to 2.94, 4.41 and 1.75 is: 2.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.94 : 4.41 = 1.75 : x
  2. Step 2: Convert to fraction form
    2.94/4.41 = 1.75/x
  3. Step 3: Cross multiply
    2.94x = 4.41 × 1.75
  4. Step 4: Simplify right side
    2.94x = 7.72
  5. Step 5: Solve for x
    x = 7.72/2.94
  6. Step 6: Final answer
    x = 2.63

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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.