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Finding the Fourth Proportional to 17.83, 24.60 and 11.37

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Solution

The fourth proportional to 17.83, 24.60 and 11.37 is: 15.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.83 : 24.60 = 11.37 : x
  2. Step 2: Convert to fraction form
    17.83/24.60 = 11.37/x
  3. Step 3: Cross multiply
    17.83x = 24.60 × 11.37
  4. Step 4: Simplify right side
    17.83x = 279.70
  5. Step 5: Solve for x
    x = 279.70/17.83
  6. Step 6: Final answer
    x = 15.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.