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Finding the Fourth Proportional to 32.57, 48.87 and 16.55

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Solution

The fourth proportional to 32.57, 48.87 and 16.55 is: 24.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.57 : 48.87 = 16.55 : x
  2. Step 2: Convert to fraction form
    32.57/48.87 = 16.55/x
  3. Step 3: Cross multiply
    32.57x = 48.87 × 16.55
  4. Step 4: Simplify right side
    32.57x = 808.80
  5. Step 5: Solve for x
    x = 808.80/32.57
  6. Step 6: Final answer
    x = 24.83

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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.