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Finding the Fourth Proportional to 32.24, 48.35 and 13.95

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Solution

The fourth proportional to 32.24, 48.35 and 13.95 is: 20.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 48.35 = 13.95 : x
  2. Step 2: Convert to fraction form
    32.24/48.35 = 13.95/x
  3. Step 3: Cross multiply
    32.24x = 48.35 × 13.95
  4. Step 4: Simplify right side
    32.24x = 674.41
  5. Step 5: Solve for x
    x = 674.41/32.24
  6. Step 6: Final answer
    x = 20.92

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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.