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Finding the Fourth Proportional to 34.04, 50.82 and 27.24

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Solution

The fourth proportional to 34.04, 50.82 and 27.24 is: 40.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.04 : 50.82 = 27.24 : x
  2. Step 2: Convert to fraction form
    34.04/50.82 = 27.24/x
  3. Step 3: Cross multiply
    34.04x = 50.82 × 27.24
  4. Step 4: Simplify right side
    34.04x = 1,384.34
  5. Step 5: Solve for x
    x = 1,384.34/34.04
  6. Step 6: Final answer
    x = 40.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.