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Finding the Fourth Proportional to 32.31, 48.44 and 25.56

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Solution

The fourth proportional to 32.31, 48.44 and 25.56 is: 38.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.31 : 48.44 = 25.56 : x
  2. Step 2: Convert to fraction form
    32.31/48.44 = 25.56/x
  3. Step 3: Cross multiply
    32.31x = 48.44 × 25.56
  4. Step 4: Simplify right side
    32.31x = 1,238.00
  5. Step 5: Solve for x
    x = 1,238.00/32.31
  6. Step 6: Final answer
    x = 38.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.