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Finding the Fourth Proportional to 41.70, 62.56 and 23.64

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Solution

The fourth proportional to 41.70, 62.56 and 23.64 is: 35.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.70 : 62.56 = 23.64 : x
  2. Step 2: Convert to fraction form
    41.70/62.56 = 23.64/x
  3. Step 3: Cross multiply
    41.70x = 62.56 × 23.64
  4. Step 4: Simplify right side
    41.70x = 1,478.92
  5. Step 5: Solve for x
    x = 1,478.92/41.70
  6. Step 6: Final answer
    x = 35.47

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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.