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Finding the Fourth Proportional to 3,551.01, 5,326.51 and 2,786.37

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Solution

The fourth proportional to 3,551.01, 5,326.51 and 2,786.37 is: 4,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.01 : 5,326.51 = 2,786.37 : x
  2. Step 2: Convert to fraction form
    3,551.01/5,326.51 = 2,786.37/x
  3. Step 3: Cross multiply
    3,551.01x = 5,326.51 × 2,786.37
  4. Step 4: Simplify right side
    3,551.01x = 14,841,627.67
  5. Step 5: Solve for x
    x = 14,841,627.67/3,551.01
  6. Step 6: Final answer
    x = 4,179.55

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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.