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Finding the Fourth Proportional to 38.32, 57.46 and 16.94

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Solution

The fourth proportional to 38.32, 57.46 and 16.94 is: 25.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.32 : 57.46 = 16.94 : x
  2. Step 2: Convert to fraction form
    38.32/57.46 = 16.94/x
  3. Step 3: Cross multiply
    38.32x = 57.46 × 16.94
  4. Step 4: Simplify right side
    38.32x = 973.37
  5. Step 5: Solve for x
    x = 973.37/38.32
  6. Step 6: Final answer
    x = 25.40

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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.