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Finding the Fourth Proportional to 68.33, 94.24 and 46.54

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Solution

The fourth proportional to 68.33, 94.24 and 46.54 is: 64.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.33 : 94.24 = 46.54 : x
  2. Step 2: Convert to fraction form
    68.33/94.24 = 46.54/x
  3. Step 3: Cross multiply
    68.33x = 94.24 × 46.54
  4. Step 4: Simplify right side
    68.33x = 4,385.93
  5. Step 5: Solve for x
    x = 4,385.93/68.33
  6. Step 6: Final answer
    x = 64.19

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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.