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Finding the Fourth Proportional to 35.94, 49.55 and 26.76

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Solution

The fourth proportional to 35.94, 49.55 and 26.76 is: 36.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.94 : 49.55 = 26.76 : x
  2. Step 2: Convert to fraction form
    35.94/49.55 = 26.76/x
  3. Step 3: Cross multiply
    35.94x = 49.55 × 26.76
  4. Step 4: Simplify right side
    35.94x = 1,325.82
  5. Step 5: Solve for x
    x = 1,325.82/35.94
  6. Step 6: Final answer
    x = 36.89

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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.