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Finding the Fourth Proportional to 752.36, 1,122.83 and 732.92

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Solution

The fourth proportional to 752.36, 1,122.83 and 732.92 is: 1,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.36 : 1,122.83 = 732.92 : x
  2. Step 2: Convert to fraction form
    752.36/1,122.83 = 732.92/x
  3. Step 3: Cross multiply
    752.36x = 1,122.83 × 732.92
  4. Step 4: Simplify right side
    752.36x = 822,938.03
  5. Step 5: Solve for x
    x = 822,938.03/752.36
  6. Step 6: Final answer
    x = 1,093.82

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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.