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Finding the Fourth Proportional to 32.25, 44.50 and 18.43

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Solution

The fourth proportional to 32.25, 44.50 and 18.43 is: 25.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.25 : 44.50 = 18.43 : x
  2. Step 2: Convert to fraction form
    32.25/44.50 = 18.43/x
  3. Step 3: Cross multiply
    32.25x = 44.50 × 18.43
  4. Step 4: Simplify right side
    32.25x = 820.14
  5. Step 5: Solve for x
    x = 820.14/32.25
  6. Step 6: Final answer
    x = 25.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.