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Finding the Fourth Proportional to 23.68, 32.66 and 18.14

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Solution

The fourth proportional to 23.68, 32.66 and 18.14 is: 25.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.68 : 32.66 = 18.14 : x
  2. Step 2: Convert to fraction form
    23.68/32.66 = 18.14/x
  3. Step 3: Cross multiply
    23.68x = 32.66 × 18.14
  4. Step 4: Simplify right side
    23.68x = 592.45
  5. Step 5: Solve for x
    x = 592.45/23.68
  6. Step 6: Final answer
    x = 25.02

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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.