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Finding the Fourth Proportional to 25.35, 37.98 and 16.34

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Solution

The fourth proportional to 25.35, 37.98 and 16.34 is: 24.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.35 : 37.98 = 16.34 : x
  2. Step 2: Convert to fraction form
    25.35/37.98 = 16.34/x
  3. Step 3: Cross multiply
    25.35x = 37.98 × 16.34
  4. Step 4: Simplify right side
    25.35x = 620.40
  5. Step 5: Solve for x
    x = 620.40/25.35
  6. Step 6: Final answer
    x = 24.47

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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.