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Finding the Fourth Proportional to 32.05, 48.06 and 11.74

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Solution

The fourth proportional to 32.05, 48.06 and 11.74 is: 17.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.05 : 48.06 = 11.74 : x
  2. Step 2: Convert to fraction form
    32.05/48.06 = 11.74/x
  3. Step 3: Cross multiply
    32.05x = 48.06 × 11.74
  4. Step 4: Simplify right side
    32.05x = 564.22
  5. Step 5: Solve for x
    x = 564.22/32.05
  6. Step 6: Final answer
    x = 17.60

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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.