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Finding the Fourth Proportional to 43.69, 65.46 and 23.41

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Solution

The fourth proportional to 43.69, 65.46 and 23.41 is: 35.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.69 : 65.46 = 23.41 : x
  2. Step 2: Convert to fraction form
    43.69/65.46 = 23.41/x
  3. Step 3: Cross multiply
    43.69x = 65.46 × 23.41
  4. Step 4: Simplify right side
    43.69x = 1,532.42
  5. Step 5: Solve for x
    x = 1,532.42/43.69
  6. Step 6: Final answer
    x = 35.07

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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.