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Finding the Fourth Proportional to 1,610.28, 2,222.37 and 902.24

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Solution

The fourth proportional to 1,610.28, 2,222.37 and 902.24 is: 1,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.28 : 2,222.37 = 902.24 : x
  2. Step 2: Convert to fraction form
    1,610.28/2,222.37 = 902.24/x
  3. Step 3: Cross multiply
    1,610.28x = 2,222.37 × 902.24
  4. Step 4: Simplify right side
    1,610.28x = 2,005,110.81
  5. Step 5: Solve for x
    x = 2,005,110.81/1,610.28
  6. Step 6: Final answer
    x = 1,245.19

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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.