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Finding the Fourth Proportional to 2,493.36, 3,740.12 and 954

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Solution

The fourth proportional to 2,493.36, 3,740.12 and 954 is: 1,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.36 : 3,740.12 = 954 : x
  2. Step 2: Convert to fraction form
    2,493.36/3,740.12 = 954/x
  3. Step 3: Cross multiply
    2,493.36x = 3,740.12 × 954
  4. Step 4: Simplify right side
    2,493.36x = 3,568,074.48
  5. Step 5: Solve for x
    x = 3,568,074.48/2,493.36
  6. Step 6: Final answer
    x = 1,431.03

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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.