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Finding the Fourth Proportional to 17.94, 27.07 and 17.94

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Solution

The fourth proportional to 17.94, 27.07 and 17.94 is: 27.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.94 : 27.07 = 17.94 : x
  2. Step 2: Convert to fraction form
    17.94/27.07 = 17.94/x
  3. Step 3: Cross multiply
    17.94x = 27.07 × 17.94
  4. Step 4: Simplify right side
    17.94x = 485.64
  5. Step 5: Solve for x
    x = 485.64/17.94
  6. Step 6: Final answer
    x = 27.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.