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Finding the Fourth Proportional to 43.71, 65.52 and 23.41

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Solution

The fourth proportional to 43.71, 65.52 and 23.41 is: 35.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.71 : 65.52 = 23.41 : x
  2. Step 2: Convert to fraction form
    43.71/65.52 = 23.41/x
  3. Step 3: Cross multiply
    43.71x = 65.52 × 23.41
  4. Step 4: Simplify right side
    43.71x = 1,533.82
  5. Step 5: Solve for x
    x = 1,533.82/43.71
  6. Step 6: Final answer
    x = 35.09

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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.