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Finding the Fourth Proportional to 32.12, 48.12 and 16.08

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Solution

The fourth proportional to 32.12, 48.12 and 16.08 is: 24.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.12 : 48.12 = 16.08 : x
  2. Step 2: Convert to fraction form
    32.12/48.12 = 16.08/x
  3. Step 3: Cross multiply
    32.12x = 48.12 × 16.08
  4. Step 4: Simplify right side
    32.12x = 773.77
  5. Step 5: Solve for x
    x = 773.77/32.12
  6. Step 6: Final answer
    x = 24.09

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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.