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Finding the Fourth Proportional to 73.74, 110.58 and 41.64

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Solution

The fourth proportional to 73.74, 110.58 and 41.64 is: 62.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.74 : 110.58 = 41.64 : x
  2. Step 2: Convert to fraction form
    73.74/110.58 = 41.64/x
  3. Step 3: Cross multiply
    73.74x = 110.58 × 41.64
  4. Step 4: Simplify right side
    73.74x = 4,604.55
  5. Step 5: Solve for x
    x = 4,604.55/73.74
  6. Step 6: Final answer
    x = 62.44

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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.