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Finding the Fourth Proportional to 9,885.44, 14,832.50 and 3,728

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Solution

The fourth proportional to 9,885.44, 14,832.50 and 3,728 is: 5,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.44 : 14,832.50 = 3,728 : x
  2. Step 2: Convert to fraction form
    9,885.44/14,832.50 = 3,728/x
  3. Step 3: Cross multiply
    9,885.44x = 14,832.50 × 3,728
  4. Step 4: Simplify right side
    9,885.44x = 55,295,560
  5. Step 5: Solve for x
    x = 55,295,560/9,885.44
  6. Step 6: Final answer
    x = 5,593.64

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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.