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Finding the Fourth Proportional to 2,729.88, 4,093.95 and 880.60

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Solution

The fourth proportional to 2,729.88, 4,093.95 and 880.60 is: 1,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.88 : 4,093.95 = 880.60 : x
  2. Step 2: Convert to fraction form
    2,729.88/4,093.95 = 880.60/x
  3. Step 3: Cross multiply
    2,729.88x = 4,093.95 × 880.60
  4. Step 4: Simplify right side
    2,729.88x = 3,605,132.37
  5. Step 5: Solve for x
    x = 3,605,132.37/2,729.88
  6. Step 6: Final answer
    x = 1,320.62

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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.