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Finding the Fourth Proportional to 2,783.33, 3,839.89 and 1,788.45

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Solution

The fourth proportional to 2,783.33, 3,839.89 and 1,788.45 is: 2,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.33 : 3,839.89 = 1,788.45 : x
  2. Step 2: Convert to fraction form
    2,783.33/3,839.89 = 1,788.45/x
  3. Step 3: Cross multiply
    2,783.33x = 3,839.89 × 1,788.45
  4. Step 4: Simplify right side
    2,783.33x = 6,867,451.27
  5. Step 5: Solve for x
    x = 6,867,451.27/2,783.33
  6. Step 6: Final answer
    x = 2,467.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.