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Finding the Fourth Proportional to 25,954.56, 38,937.60 and 12,096

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Solution

The fourth proportional to 25,954.56, 38,937.60 and 12,096 is: 18,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.56 : 38,937.60 = 12,096 : x
  2. Step 2: Convert to fraction form
    25,954.56/38,937.60 = 12,096/x
  3. Step 3: Cross multiply
    25,954.56x = 38,937.60 × 12,096
  4. Step 4: Simplify right side
    25,954.56x = 470,989,209.60
  5. Step 5: Solve for x
    x = 470,989,209.60/25,954.56
  6. Step 6: Final answer
    x = 18,146.68

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Why These Related Problems?

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