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Finding the Fourth Proportional to 17.64, 26.44 and 6.94

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Solution

The fourth proportional to 17.64, 26.44 and 6.94 is: 10.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.64 : 26.44 = 6.94 : x
  2. Step 2: Convert to fraction form
    17.64/26.44 = 6.94/x
  3. Step 3: Cross multiply
    17.64x = 26.44 × 6.94
  4. Step 4: Simplify right side
    17.64x = 183.49
  5. Step 5: Solve for x
    x = 183.49/17.64
  6. Step 6: Final answer
    x = 10.40

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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.