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Finding the Fourth Proportional to 33.95, 50.87 and 26.70

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Solution

The fourth proportional to 33.95, 50.87 and 26.70 is: 40.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.95 : 50.87 = 26.70 : x
  2. Step 2: Convert to fraction form
    33.95/50.87 = 26.70/x
  3. Step 3: Cross multiply
    33.95x = 50.87 × 26.70
  4. Step 4: Simplify right side
    33.95x = 1,358.23
  5. Step 5: Solve for x
    x = 1,358.23/33.95
  6. Step 6: Final answer
    x = 40.01

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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.