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Finding the Fourth Proportional to 49.43, 74.16 and 17.37

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Solution

The fourth proportional to 49.43, 74.16 and 17.37 is: 26.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.43 : 74.16 = 17.37 : x
  2. Step 2: Convert to fraction form
    49.43/74.16 = 17.37/x
  3. Step 3: Cross multiply
    49.43x = 74.16 × 17.37
  4. Step 4: Simplify right side
    49.43x = 1,288.16
  5. Step 5: Solve for x
    x = 1,288.16/49.43
  6. Step 6: Final answer
    x = 26.06

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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.