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Finding the Fourth Proportional to 3,664.84, 5,058.44 and 2,266.80

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Solution

The fourth proportional to 3,664.84, 5,058.44 and 2,266.80 is: 3,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.84 : 5,058.44 = 2,266.80 : x
  2. Step 2: Convert to fraction form
    3,664.84/5,058.44 = 2,266.80/x
  3. Step 3: Cross multiply
    3,664.84x = 5,058.44 × 2,266.80
  4. Step 4: Simplify right side
    3,664.84x = 11,466,471.79
  5. Step 5: Solve for x
    x = 11,466,471.79/3,664.84
  6. Step 6: Final answer
    x = 3,128.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.