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Finding the Fourth Proportional to 1,353.06, 1,867.12 and 793.46

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Solution

The fourth proportional to 1,353.06, 1,867.12 and 793.46 is: 1,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.06 : 1,867.12 = 793.46 : x
  2. Step 2: Convert to fraction form
    1,353.06/1,867.12 = 793.46/x
  3. Step 3: Cross multiply
    1,353.06x = 1,867.12 × 793.46
  4. Step 4: Simplify right side
    1,353.06x = 1,481,485.04
  5. Step 5: Solve for x
    x = 1,481,485.04/1,353.06
  6. Step 6: Final answer
    x = 1,094.91

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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.