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Finding the Fourth Proportional to 3,794.66, 5,682.74 and 2,621.54

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Solution

The fourth proportional to 3,794.66, 5,682.74 and 2,621.54 is: 3,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.66 : 5,682.74 = 2,621.54 : x
  2. Step 2: Convert to fraction form
    3,794.66/5,682.74 = 2,621.54/x
  3. Step 3: Cross multiply
    3,794.66x = 5,682.74 × 2,621.54
  4. Step 4: Simplify right side
    3,794.66x = 14,897,488.70
  5. Step 5: Solve for x
    x = 14,897,488.70/3,794.66
  6. Step 6: Final answer
    x = 3,925.91

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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.