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Finding the Fourth Proportional to 1,796.54, 2,694.54 and 626.72

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Solution

The fourth proportional to 1,796.54, 2,694.54 and 626.72 is: 939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.54 : 2,694.54 = 626.72 : x
  2. Step 2: Convert to fraction form
    1,796.54/2,694.54 = 626.72/x
  3. Step 3: Cross multiply
    1,796.54x = 2,694.54 × 626.72
  4. Step 4: Simplify right side
    1,796.54x = 1,688,722.11
  5. Step 5: Solve for x
    x = 1,688,722.11/1,796.54
  6. Step 6: Final answer
    x = 939.99

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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.