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Finding the Fourth Proportional to 23.74, 32.73 and 18.58

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Solution

The fourth proportional to 23.74, 32.73 and 18.58 is: 25.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.74 : 32.73 = 18.58 : x
  2. Step 2: Convert to fraction form
    23.74/32.73 = 18.58/x
  3. Step 3: Cross multiply
    23.74x = 32.73 × 18.58
  4. Step 4: Simplify right side
    23.74x = 608.12
  5. Step 5: Solve for x
    x = 608.12/23.74
  6. Step 6: Final answer
    x = 25.62

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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.