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Finding the Fourth Proportional to 3,250.63, 4,876.22 and 1,401.79

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Solution

The fourth proportional to 3,250.63, 4,876.22 and 1,401.79 is: 2,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.63 : 4,876.22 = 1,401.79 : x
  2. Step 2: Convert to fraction form
    3,250.63/4,876.22 = 1,401.79/x
  3. Step 3: Cross multiply
    3,250.63x = 4,876.22 × 1,401.79
  4. Step 4: Simplify right side
    3,250.63x = 6,835,436.43
  5. Step 5: Solve for x
    x = 6,835,436.43/3,250.63
  6. Step 6: Final answer
    x = 2,102.80

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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.