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Finding the Fourth Proportional to 1,353.30, 1,867.22 and 793.56

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Solution

The fourth proportional to 1,353.30, 1,867.22 and 793.56 is: 1,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.30 : 1,867.22 = 793.56 : x
  2. Step 2: Convert to fraction form
    1,353.30/1,867.22 = 793.56/x
  3. Step 3: Cross multiply
    1,353.30x = 1,867.22 × 793.56
  4. Step 4: Simplify right side
    1,353.30x = 1,481,751.10
  5. Step 5: Solve for x
    x = 1,481,751.10/1,353.30
  6. Step 6: Final answer
    x = 1,094.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.