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Finding the Fourth Proportional to 3,778.03, 5,661.37 and 2,952.64

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Solution

The fourth proportional to 3,778.03, 5,661.37 and 2,952.64 is: 4,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.03 : 5,661.37 = 2,952.64 : x
  2. Step 2: Convert to fraction form
    3,778.03/5,661.37 = 2,952.64/x
  3. Step 3: Cross multiply
    3,778.03x = 5,661.37 × 2,952.64
  4. Step 4: Simplify right side
    3,778.03x = 16,715,987.52
  5. Step 5: Solve for x
    x = 16,715,987.52/3,778.03
  6. Step 6: Final answer
    x = 4,424.52

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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.