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Finding the Fourth Proportional to 1,327.22, 1,832.02 and 803.25

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Solution

The fourth proportional to 1,327.22, 1,832.02 and 803.25 is: 1,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.22 : 1,832.02 = 803.25 : x
  2. Step 2: Convert to fraction form
    1,327.22/1,832.02 = 803.25/x
  3. Step 3: Cross multiply
    1,327.22x = 1,832.02 × 803.25
  4. Step 4: Simplify right side
    1,327.22x = 1,471,568.06
  5. Step 5: Solve for x
    x = 1,471,568.06/1,327.22
  6. Step 6: Final answer
    x = 1,108.76

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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.