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Finding the Fourth Proportional to 25,403.28, 35,123.42 and 22,250.44

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Solution

The fourth proportional to 25,403.28, 35,123.42 and 22,250.44 is: 30,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.28 : 35,123.42 = 22,250.44 : x
  2. Step 2: Convert to fraction form
    25,403.28/35,123.42 = 22,250.44/x
  3. Step 3: Cross multiply
    25,403.28x = 35,123.42 × 22,250.44
  4. Step 4: Simplify right side
    25,403.28x = 781,511,549.30
  5. Step 5: Solve for x
    x = 781,511,549.30/25,403.28
  6. Step 6: Final answer
    x = 30,764.20

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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.