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Finding the Fourth Proportional to 32.46, 48.68 and 17.24

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Solution

The fourth proportional to 32.46, 48.68 and 17.24 is: 25.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.46 : 48.68 = 17.24 : x
  2. Step 2: Convert to fraction form
    32.46/48.68 = 17.24/x
  3. Step 3: Cross multiply
    32.46x = 48.68 × 17.24
  4. Step 4: Simplify right side
    32.46x = 839.24
  5. Step 5: Solve for x
    x = 839.24/32.46
  6. Step 6: Final answer
    x = 25.85

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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.