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Finding the Fourth Proportional to 1,155.33, 1,733.00 and 635.31

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Solution

The fourth proportional to 1,155.33, 1,733.00 and 635.31 is: 952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.33 : 1,733.00 = 635.31 : x
  2. Step 2: Convert to fraction form
    1,155.33/1,733.00 = 635.31/x
  3. Step 3: Cross multiply
    1,155.33x = 1,733.00 × 635.31
  4. Step 4: Simplify right side
    1,155.33x = 1,100,989.05
  5. Step 5: Solve for x
    x = 1,100,989.05/1,155.33
  6. Step 6: Final answer
    x = 952.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.