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Finding the Fourth Proportional to 33.99, 51 and 26.77

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Solution

The fourth proportional to 33.99, 51 and 26.77 is: 40.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.99 : 51 = 26.77 : x
  2. Step 2: Convert to fraction form
    33.99/51 = 26.77/x
  3. Step 3: Cross multiply
    33.99x = 51 × 26.77
  4. Step 4: Simplify right side
    33.99x = 1,365.27
  5. Step 5: Solve for x
    x = 1,365.27/33.99
  6. Step 6: Final answer
    x = 40.17

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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.