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Finding the Fourth Proportional to 25,198.60, 34,822.02 and 18,900.04

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Solution

The fourth proportional to 25,198.60, 34,822.02 and 18,900.04 is: 26,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198.60 : 34,822.02 = 18,900.04 : x
  2. Step 2: Convert to fraction form
    25,198.60/34,822.02 = 18,900.04/x
  3. Step 3: Cross multiply
    25,198.60x = 34,822.02 × 18,900.04
  4. Step 4: Simplify right side
    25,198.60x = 658,137,570.88
  5. Step 5: Solve for x
    x = 658,137,570.88/25,198.60
  6. Step 6: Final answer
    x = 26,118.02

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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.