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Finding the Fourth Proportional to 2,729.46, 4,094.99 and 880.53

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Solution

The fourth proportional to 2,729.46, 4,094.99 and 880.53 is: 1,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.46 : 4,094.99 = 880.53 : x
  2. Step 2: Convert to fraction form
    2,729.46/4,094.99 = 880.53/x
  3. Step 3: Cross multiply
    2,729.46x = 4,094.99 × 880.53
  4. Step 4: Simplify right side
    2,729.46x = 3,605,757.14
  5. Step 5: Solve for x
    x = 3,605,757.14/2,729.46
  6. Step 6: Final answer
    x = 1,321.05

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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.