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Finding the Fourth Proportional to 73.82, 110.48 and 46.41

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Solution

The fourth proportional to 73.82, 110.48 and 46.41 is: 69.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.82 : 110.48 = 46.41 : x
  2. Step 2: Convert to fraction form
    73.82/110.48 = 46.41/x
  3. Step 3: Cross multiply
    73.82x = 110.48 × 46.41
  4. Step 4: Simplify right side
    73.82x = 5,127.14
  5. Step 5: Solve for x
    x = 5,127.14/73.82
  6. Step 6: Final answer
    x = 69.46

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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.