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Finding the Fourth Proportional to 17.63, 26.46 and 9.07

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Solution

The fourth proportional to 17.63, 26.46 and 9.07 is: 13.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.63 : 26.46 = 9.07 : x
  2. Step 2: Convert to fraction form
    17.63/26.46 = 9.07/x
  3. Step 3: Cross multiply
    17.63x = 26.46 × 9.07
  4. Step 4: Simplify right side
    17.63x = 239.98
  5. Step 5: Solve for x
    x = 239.98/17.63
  6. Step 6: Final answer
    x = 13.62

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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.