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Finding the Fourth Proportional to 4,961.17, 7,433.54 and 2,490.77

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Solution

The fourth proportional to 4,961.17, 7,433.54 and 2,490.77 is: 3,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.17 : 7,433.54 = 2,490.77 : x
  2. Step 2: Convert to fraction form
    4,961.17/7,433.54 = 2,490.77/x
  3. Step 3: Cross multiply
    4,961.17x = 7,433.54 × 2,490.77
  4. Step 4: Simplify right side
    4,961.17x = 18,515,238.43
  5. Step 5: Solve for x
    x = 18,515,238.43/4,961.17
  6. Step 6: Final answer
    x = 3,732.03

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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.