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Finding the Fourth Proportional to 43.83, 65.75 and 23.55

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Solution

The fourth proportional to 43.83, 65.75 and 23.55 is: 35.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.83 : 65.75 = 23.55 : x
  2. Step 2: Convert to fraction form
    43.83/65.75 = 23.55/x
  3. Step 3: Cross multiply
    43.83x = 65.75 × 23.55
  4. Step 4: Simplify right side
    43.83x = 1,548.29
  5. Step 5: Solve for x
    x = 1,548.29/43.83
  6. Step 6: Final answer
    x = 35.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.