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Finding the Fourth Proportional to 2,009.35, 2,767.71 and 1,418.86

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Solution

The fourth proportional to 2,009.35, 2,767.71 and 1,418.86 is: 1,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.35 : 2,767.71 = 1,418.86 : x
  2. Step 2: Convert to fraction form
    2,009.35/2,767.71 = 1,418.86/x
  3. Step 3: Cross multiply
    2,009.35x = 2,767.71 × 1,418.86
  4. Step 4: Simplify right side
    2,009.35x = 3,926,993.01
  5. Step 5: Solve for x
    x = 3,926,993.01/2,009.35
  6. Step 6: Final answer
    x = 1,954.36

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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.