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Finding the Fourth Proportional to 1,798.38, 2,694.87 and 1,017.54

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Solution

The fourth proportional to 1,798.38, 2,694.87 and 1,017.54 is: 1,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.38 : 2,694.87 = 1,017.54 : x
  2. Step 2: Convert to fraction form
    1,798.38/2,694.87 = 1,017.54/x
  3. Step 3: Cross multiply
    1,798.38x = 2,694.87 × 1,017.54
  4. Step 4: Simplify right side
    1,798.38x = 2,742,138.02
  5. Step 5: Solve for x
    x = 2,742,138.02/1,798.38
  6. Step 6: Final answer
    x = 1,524.78

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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.