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Finding the Fourth Proportional to 2,724.88, 4,076.64 and 2,375.80

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Solution

The fourth proportional to 2,724.88, 4,076.64 and 2,375.80 is: 3,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.88 : 4,076.64 = 2,375.80 : x
  2. Step 2: Convert to fraction form
    2,724.88/4,076.64 = 2,375.80/x
  3. Step 3: Cross multiply
    2,724.88x = 4,076.64 × 2,375.80
  4. Step 4: Simplify right side
    2,724.88x = 9,685,281.31
  5. Step 5: Solve for x
    x = 9,685,281.31/2,724.88
  6. Step 6: Final answer
    x = 3,554.39

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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.