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Finding the Fourth Proportional to 32.79, 49.22 and 32.34

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Solution

The fourth proportional to 32.79, 49.22 and 32.34 is: 48.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.79 : 49.22 = 32.34 : x
  2. Step 2: Convert to fraction form
    32.79/49.22 = 32.34/x
  3. Step 3: Cross multiply
    32.79x = 49.22 × 32.34
  4. Step 4: Simplify right side
    32.79x = 1,591.77
  5. Step 5: Solve for x
    x = 1,591.77/32.79
  6. Step 6: Final answer
    x = 48.54

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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.