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Finding the Fourth Proportional to 32.01, 48.05 and 16.79

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Solution

The fourth proportional to 32.01, 48.05 and 16.79 is: 25.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.01 : 48.05 = 16.79 : x
  2. Step 2: Convert to fraction form
    32.01/48.05 = 16.79/x
  3. Step 3: Cross multiply
    32.01x = 48.05 × 16.79
  4. Step 4: Simplify right side
    32.01x = 806.77
  5. Step 5: Solve for x
    x = 806.77/32.01
  6. Step 6: Final answer
    x = 25.20

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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.