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Finding the Fourth Proportional to 75.44, 104.13 and 46.33

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Solution

The fourth proportional to 75.44, 104.13 and 46.33 is: 63.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.44 : 104.13 = 46.33 : x
  2. Step 2: Convert to fraction form
    75.44/104.13 = 46.33/x
  3. Step 3: Cross multiply
    75.44x = 104.13 × 46.33
  4. Step 4: Simplify right side
    75.44x = 4,824.08
  5. Step 5: Solve for x
    x = 4,824.08/75.44
  6. Step 6: Final answer
    x = 63.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.