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Finding the Fourth Proportional to 25,169.12, 34,735.19 and 15,097.98

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Solution

The fourth proportional to 25,169.12, 34,735.19 and 15,097.98 is: 20,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.12 : 34,735.19 = 15,097.98 : x
  2. Step 2: Convert to fraction form
    25,169.12/34,735.19 = 15,097.98/x
  3. Step 3: Cross multiply
    25,169.12x = 34,735.19 × 15,097.98
  4. Step 4: Simplify right side
    25,169.12x = 524,431,203.92
  5. Step 5: Solve for x
    x = 524,431,203.92/25,169.12
  6. Step 6: Final answer
    x = 20,836.29

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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.