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Finding the Fourth Proportional to 32.15, 44.36 and 25.23

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Solution

The fourth proportional to 32.15, 44.36 and 25.23 is: 34.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.15 : 44.36 = 25.23 : x
  2. Step 2: Convert to fraction form
    32.15/44.36 = 25.23/x
  3. Step 3: Cross multiply
    32.15x = 44.36 × 25.23
  4. Step 4: Simplify right side
    32.15x = 1,119.08
  5. Step 5: Solve for x
    x = 1,119.08/32.15
  6. Step 6: Final answer
    x = 34.81

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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.