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Finding the Fourth Proportional to 32.26, 48.37 and 11.95

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Solution

The fourth proportional to 32.26, 48.37 and 11.95 is: 17.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.26 : 48.37 = 11.95 : x
  2. Step 2: Convert to fraction form
    32.26/48.37 = 11.95/x
  3. Step 3: Cross multiply
    32.26x = 48.37 × 11.95
  4. Step 4: Simplify right side
    32.26x = 578.17
  5. Step 5: Solve for x
    x = 578.17/32.26
  6. Step 6: Final answer
    x = 17.92

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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.