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Finding the Fourth Proportional to 32.67, 48.98 and 13.41

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Solution

The fourth proportional to 32.67, 48.98 and 13.41 is: 20.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.67 : 48.98 = 13.41 : x
  2. Step 2: Convert to fraction form
    32.67/48.98 = 13.41/x
  3. Step 3: Cross multiply
    32.67x = 48.98 × 13.41
  4. Step 4: Simplify right side
    32.67x = 656.82
  5. Step 5: Solve for x
    x = 656.82/32.67
  6. Step 6: Final answer
    x = 20.10

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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.