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Finding the Fourth Proportional to 3,771.54, 5,649.12 and 2,306.25

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Solution

The fourth proportional to 3,771.54, 5,649.12 and 2,306.25 is: 3,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.54 : 5,649.12 = 2,306.25 : x
  2. Step 2: Convert to fraction form
    3,771.54/5,649.12 = 2,306.25/x
  3. Step 3: Cross multiply
    3,771.54x = 5,649.12 × 2,306.25
  4. Step 4: Simplify right side
    3,771.54x = 13,028,283
  5. Step 5: Solve for x
    x = 13,028,283/3,771.54
  6. Step 6: Final answer
    x = 3,454.37

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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.