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Finding the Fourth Proportional to 23.63, 35.42 and 14.58

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Solution

The fourth proportional to 23.63, 35.42 and 14.58 is: 21.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.63 : 35.42 = 14.58 : x
  2. Step 2: Convert to fraction form
    23.63/35.42 = 14.58/x
  3. Step 3: Cross multiply
    23.63x = 35.42 × 14.58
  4. Step 4: Simplify right side
    23.63x = 516.35
  5. Step 5: Solve for x
    x = 516.35/23.63
  6. Step 6: Final answer
    x = 21.86

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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.