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Finding the Fourth Proportional to 94.59, 141.91 and 33.70

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Solution

The fourth proportional to 94.59, 141.91 and 33.70 is: 50.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.59 : 141.91 = 33.70 : x
  2. Step 2: Convert to fraction form
    94.59/141.91 = 33.70/x
  3. Step 3: Cross multiply
    94.59x = 141.91 × 33.70
  4. Step 4: Simplify right side
    94.59x = 4,782.45
  5. Step 5: Solve for x
    x = 4,782.45/94.59
  6. Step 6: Final answer
    x = 50.56

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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.