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Finding the Fourth Proportional to 3,797.88, 5,701.62 and 2,649.72

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Solution

The fourth proportional to 3,797.88, 5,701.62 and 2,649.72 is: 3,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.88 : 5,701.62 = 2,649.72 : x
  2. Step 2: Convert to fraction form
    3,797.88/5,701.62 = 2,649.72/x
  3. Step 3: Cross multiply
    3,797.88x = 5,701.62 × 2,649.72
  4. Step 4: Simplify right side
    3,797.88x = 15,107,696.55
  5. Step 5: Solve for x
    x = 15,107,696.55/3,797.88
  6. Step 6: Final answer
    x = 3,977.93

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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.