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Finding the Fourth Proportional to 1,797.48, 2,696.02 and 627.28

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Solution

The fourth proportional to 1,797.48, 2,696.02 and 627.28 is: 940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.48 : 2,696.02 = 627.28 : x
  2. Step 2: Convert to fraction form
    1,797.48/2,696.02 = 627.28/x
  3. Step 3: Cross multiply
    1,797.48x = 2,696.02 × 627.28
  4. Step 4: Simplify right side
    1,797.48x = 1,691,159.43
  5. Step 5: Solve for x
    x = 1,691,159.43/1,797.48
  6. Step 6: Final answer
    x = 940.85

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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.