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Finding the Fourth Proportional to 94.10, 141.06 and 36.28

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Solution

The fourth proportional to 94.10, 141.06 and 36.28 is: 54.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.10 : 141.06 = 36.28 : x
  2. Step 2: Convert to fraction form
    94.10/141.06 = 36.28/x
  3. Step 3: Cross multiply
    94.10x = 141.06 × 36.28
  4. Step 4: Simplify right side
    94.10x = 5,118.14
  5. Step 5: Solve for x
    x = 5,118.14/94.10
  6. Step 6: Final answer
    x = 54.39

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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.