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Finding the Fourth Proportional to 25,072.94, 37,599.69 and 13,379.78

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Solution

The fourth proportional to 25,072.94, 37,599.69 and 13,379.78 is: 20,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.94 : 37,599.69 = 13,379.78 : x
  2. Step 2: Convert to fraction form
    25,072.94/37,599.69 = 13,379.78/x
  3. Step 3: Cross multiply
    25,072.94x = 37,599.69 × 13,379.78
  4. Step 4: Simplify right side
    25,072.94x = 503,075,580.27
  5. Step 5: Solve for x
    x = 503,075,580.27/25,072.94
  6. Step 6: Final answer
    x = 20,064.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.