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Finding the Fourth Proportional to 2,531.24, 3,797.04 and 799.84

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Solution

The fourth proportional to 2,531.24, 3,797.04 and 799.84 is: 1,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.24 : 3,797.04 = 799.84 : x
  2. Step 2: Convert to fraction form
    2,531.24/3,797.04 = 799.84/x
  3. Step 3: Cross multiply
    2,531.24x = 3,797.04 × 799.84
  4. Step 4: Simplify right side
    2,531.24x = 3,037,024.47
  5. Step 5: Solve for x
    x = 3,037,024.47/2,531.24
  6. Step 6: Final answer
    x = 1,199.82

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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.