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Finding the Fourth Proportional to 32.24, 48.33 and 17.80

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Solution

The fourth proportional to 32.24, 48.33 and 17.80 is: 26.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 48.33 = 17.80 : x
  2. Step 2: Convert to fraction form
    32.24/48.33 = 17.80/x
  3. Step 3: Cross multiply
    32.24x = 48.33 × 17.80
  4. Step 4: Simplify right side
    32.24x = 860.15
  5. Step 5: Solve for x
    x = 860.15/32.24
  6. Step 6: Final answer
    x = 26.68

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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.