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Finding the Fourth Proportional to 752.46, 1,122.99 and 733.02

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Solution

The fourth proportional to 752.46, 1,122.99 and 733.02 is: 1,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.46 : 1,122.99 = 733.02 : x
  2. Step 2: Convert to fraction form
    752.46/1,122.99 = 733.02/x
  3. Step 3: Cross multiply
    752.46x = 1,122.99 × 733.02
  4. Step 4: Simplify right side
    752.46x = 823,174.13
  5. Step 5: Solve for x
    x = 823,174.13/752.46
  6. Step 6: Final answer
    x = 1,093.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.