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Finding the Fourth Proportional to 1,174.88, 1,622.03 and 733.38

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Solution

The fourth proportional to 1,174.88, 1,622.03 and 733.38 is: 1,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.88 : 1,622.03 = 733.38 : x
  2. Step 2: Convert to fraction form
    1,174.88/1,622.03 = 733.38/x
  3. Step 3: Cross multiply
    1,174.88x = 1,622.03 × 733.38
  4. Step 4: Simplify right side
    1,174.88x = 1,189,560.69
  5. Step 5: Solve for x
    x = 1,189,560.69/1,174.88
  6. Step 6: Final answer
    x = 1,012.50

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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.