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Finding the Fourth Proportional to 2,425, 3,635.48 and 943.48

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Solution

The fourth proportional to 2,425, 3,635.48 and 943.48 is: 1,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425 : 3,635.48 = 943.48 : x
  2. Step 2: Convert to fraction form
    2,425/3,635.48 = 943.48/x
  3. Step 3: Cross multiply
    2,425x = 3,635.48 × 943.48
  4. Step 4: Simplify right side
    2,425x = 3,430,002.67
  5. Step 5: Solve for x
    x = 3,430,002.67/2,425
  6. Step 6: Final answer
    x = 1,414.43

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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.