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Finding the Fourth Proportional to 2,493.09, 3,740.25 and 738.09

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Solution

The fourth proportional to 2,493.09, 3,740.25 and 738.09 is: 1,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.09 : 3,740.25 = 738.09 : x
  2. Step 2: Convert to fraction form
    2,493.09/3,740.25 = 738.09/x
  3. Step 3: Cross multiply
    2,493.09x = 3,740.25 × 738.09
  4. Step 4: Simplify right side
    2,493.09x = 2,760,641.12
  5. Step 5: Solve for x
    x = 2,760,641.12/2,493.09
  6. Step 6: Final answer
    x = 1,107.32

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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.