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Finding the Fourth Proportional to 3,718.76, 5,579.07 and 2,625.26

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Solution

The fourth proportional to 3,718.76, 5,579.07 and 2,625.26 is: 3,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.76 : 5,579.07 = 2,625.26 : x
  2. Step 2: Convert to fraction form
    3,718.76/5,579.07 = 2,625.26/x
  3. Step 3: Cross multiply
    3,718.76x = 5,579.07 × 2,625.26
  4. Step 4: Simplify right side
    3,718.76x = 14,646,481.41
  5. Step 5: Solve for x
    x = 14,646,481.41/3,718.76
  6. Step 6: Final answer
    x = 3,938.54

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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.