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Finding the Fourth Proportional to 32.81, 49.18 and 22.67

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Solution

The fourth proportional to 32.81, 49.18 and 22.67 is: 33.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.81 : 49.18 = 22.67 : x
  2. Step 2: Convert to fraction form
    32.81/49.18 = 22.67/x
  3. Step 3: Cross multiply
    32.81x = 49.18 × 22.67
  4. Step 4: Simplify right side
    32.81x = 1,114.55
  5. Step 5: Solve for x
    x = 1,114.55/32.81
  6. Step 6: Final answer
    x = 33.98

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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.