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Finding the Fourth Proportional to 1,175.52, 1,622.56 and 733.20

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Solution

The fourth proportional to 1,175.52, 1,622.56 and 733.20 is: 1,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.52 : 1,622.56 = 733.20 : x
  2. Step 2: Convert to fraction form
    1,175.52/1,622.56 = 733.20/x
  3. Step 3: Cross multiply
    1,175.52x = 1,622.56 × 733.20
  4. Step 4: Simplify right side
    1,175.52x = 1,189,660.99
  5. Step 5: Solve for x
    x = 1,189,660.99/1,175.52
  6. Step 6: Final answer
    x = 1,012.03

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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.