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Finding the Fourth Proportional to 32.41, 48.60 and 11.84

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Solution

The fourth proportional to 32.41, 48.60 and 11.84 is: 17.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.41 : 48.60 = 11.84 : x
  2. Step 2: Convert to fraction form
    32.41/48.60 = 11.84/x
  3. Step 3: Cross multiply
    32.41x = 48.60 × 11.84
  4. Step 4: Simplify right side
    32.41x = 575.42
  5. Step 5: Solve for x
    x = 575.42/32.41
  6. Step 6: Final answer
    x = 17.75

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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.