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Finding the Fourth Proportional to 23.68, 35.46 and 14.64

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Solution

The fourth proportional to 23.68, 35.46 and 14.64 is: 21.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.68 : 35.46 = 14.64 : x
  2. Step 2: Convert to fraction form
    23.68/35.46 = 14.64/x
  3. Step 3: Cross multiply
    23.68x = 35.46 × 14.64
  4. Step 4: Simplify right side
    23.68x = 519.13
  5. Step 5: Solve for x
    x = 519.13/23.68
  6. Step 6: Final answer
    x = 21.92

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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.