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Finding the Fourth Proportional to 17.93, 24.68 and 17.70

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Solution

The fourth proportional to 17.93, 24.68 and 17.70 is: 24.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.93 : 24.68 = 17.70 : x
  2. Step 2: Convert to fraction form
    17.93/24.68 = 17.70/x
  3. Step 3: Cross multiply
    17.93x = 24.68 × 17.70
  4. Step 4: Simplify right side
    17.93x = 436.75
  5. Step 5: Solve for x
    x = 436.75/17.93
  6. Step 6: Final answer
    x = 24.37

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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.