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Finding the Fourth Proportional to 32.34, 48.51 and 12.05

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Solution

The fourth proportional to 32.34, 48.51 and 12.05 is: 18.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.34 : 48.51 = 12.05 : x
  2. Step 2: Convert to fraction form
    32.34/48.51 = 12.05/x
  3. Step 3: Cross multiply
    32.34x = 48.51 × 12.05
  4. Step 4: Simplify right side
    32.34x = 584.30
  5. Step 5: Solve for x
    x = 584.30/32.34
  6. Step 6: Final answer
    x = 18.07

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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.