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Finding the Fourth Proportional to 25,051.80, 37,578.30 and 8,412.37

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Solution

The fourth proportional to 25,051.80, 37,578.30 and 8,412.37 is: 12,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.80 : 37,578.30 = 8,412.37 : x
  2. Step 2: Convert to fraction form
    25,051.80/37,578.30 = 8,412.37/x
  3. Step 3: Cross multiply
    25,051.80x = 37,578.30 × 8,412.37
  4. Step 4: Simplify right side
    25,051.80x = 316,122,563.57
  5. Step 5: Solve for x
    x = 316,122,563.57/25,051.80
  6. Step 6: Final answer
    x = 12,618.76

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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.