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Finding the Fourth Proportional to 3,054.38, 4,214.97 and 1,727.87

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Solution

The fourth proportional to 3,054.38, 4,214.97 and 1,727.87 is: 2,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.38 : 4,214.97 = 1,727.87 : x
  2. Step 2: Convert to fraction form
    3,054.38/4,214.97 = 1,727.87/x
  3. Step 3: Cross multiply
    3,054.38x = 4,214.97 × 1,727.87
  4. Step 4: Simplify right side
    3,054.38x = 7,282,899.14
  5. Step 5: Solve for x
    x = 7,282,899.14/3,054.38
  6. Step 6: Final answer
    x = 2,384.42

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Why These Related Problems?

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