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Finding the Fourth Proportional to 23.64, 32.62 and 13.94

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Solution

The fourth proportional to 23.64, 32.62 and 13.94 is: 19.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.64 : 32.62 = 13.94 : x
  2. Step 2: Convert to fraction form
    23.64/32.62 = 13.94/x
  3. Step 3: Cross multiply
    23.64x = 32.62 × 13.94
  4. Step 4: Simplify right side
    23.64x = 454.72
  5. Step 5: Solve for x
    x = 454.72/23.64
  6. Step 6: Final answer
    x = 19.24

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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.