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Finding the Fourth Proportional to 4,914.88, 7,372.74 and 1,452.28

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Solution

The fourth proportional to 4,914.88, 7,372.74 and 1,452.28 is: 2,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.88 : 7,372.74 = 1,452.28 : x
  2. Step 2: Convert to fraction form
    4,914.88/7,372.74 = 1,452.28/x
  3. Step 3: Cross multiply
    4,914.88x = 7,372.74 × 1,452.28
  4. Step 4: Simplify right side
    4,914.88x = 10,707,282.85
  5. Step 5: Solve for x
    x = 10,707,282.85/4,914.88
  6. Step 6: Final answer
    x = 2,178.54

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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.