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Finding the Fourth Proportional to 32.81, 49.24 and 22.69

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Solution

The fourth proportional to 32.81, 49.24 and 22.69 is: 34.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.81 : 49.24 = 22.69 : x
  2. Step 2: Convert to fraction form
    32.81/49.24 = 22.69/x
  3. Step 3: Cross multiply
    32.81x = 49.24 × 22.69
  4. Step 4: Simplify right side
    32.81x = 1,117.26
  5. Step 5: Solve for x
    x = 1,117.26/32.81
  6. Step 6: Final answer
    x = 34.05

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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.