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Finding the Fourth Proportional to 35.87, 49.50 and 22.76

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Solution

The fourth proportional to 35.87, 49.50 and 22.76 is: 31.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.87 : 49.50 = 22.76 : x
  2. Step 2: Convert to fraction form
    35.87/49.50 = 22.76/x
  3. Step 3: Cross multiply
    35.87x = 49.50 × 22.76
  4. Step 4: Simplify right side
    35.87x = 1,126.37
  5. Step 5: Solve for x
    x = 1,126.37/35.87
  6. Step 6: Final answer
    x = 31.41

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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.