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Finding the Fourth Proportional to 17.07, 25.43 and 17.03

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Solution

The fourth proportional to 17.07, 25.43 and 17.03 is: 25.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.07 : 25.43 = 17.03 : x
  2. Step 2: Convert to fraction form
    17.07/25.43 = 17.03/x
  3. Step 3: Cross multiply
    17.07x = 25.43 × 17.03
  4. Step 4: Simplify right side
    17.07x = 433.05
  5. Step 5: Solve for x
    x = 433.05/17.07
  6. Step 6: Final answer
    x = 25.37

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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.