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Finding the Fourth Proportional to 32.49, 48.62 and 17.25

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Solution

The fourth proportional to 32.49, 48.62 and 17.25 is: 25.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.49 : 48.62 = 17.25 : x
  2. Step 2: Convert to fraction form
    32.49/48.62 = 17.25/x
  3. Step 3: Cross multiply
    32.49x = 48.62 × 17.25
  4. Step 4: Simplify right side
    32.49x = 838.45
  5. Step 5: Solve for x
    x = 838.45/32.49
  6. Step 6: Final answer
    x = 25.81

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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.