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Finding the Fourth Proportional to 25.14, 37.46 and 23.68

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Solution

The fourth proportional to 25.14, 37.46 and 23.68 is: 35.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.14 : 37.46 = 23.68 : x
  2. Step 2: Convert to fraction form
    25.14/37.46 = 23.68/x
  3. Step 3: Cross multiply
    25.14x = 37.46 × 23.68
  4. Step 4: Simplify right side
    25.14x = 887.05
  5. Step 5: Solve for x
    x = 887.05/25.14
  6. Step 6: Final answer
    x = 35.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.