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Finding the Fourth Proportional to 3,455.77, 5,177.26 and 2,673

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Solution

The fourth proportional to 3,455.77, 5,177.26 and 2,673 is: 4,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.77 : 5,177.26 = 2,673 : x
  2. Step 2: Convert to fraction form
    3,455.77/5,177.26 = 2,673/x
  3. Step 3: Cross multiply
    3,455.77x = 5,177.26 × 2,673
  4. Step 4: Simplify right side
    3,455.77x = 13,838,815.98
  5. Step 5: Solve for x
    x = 13,838,815.98/3,455.77
  6. Step 6: Final answer
    x = 4,004.55

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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.