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Finding the Fourth Proportional to 25,917.57, 38,868.26 and 8,383.77

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Solution

The fourth proportional to 25,917.57, 38,868.26 and 8,383.77 is: 12,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.57 : 38,868.26 = 8,383.77 : x
  2. Step 2: Convert to fraction form
    25,917.57/38,868.26 = 8,383.77/x
  3. Step 3: Cross multiply
    25,917.57x = 38,868.26 × 8,383.77
  4. Step 4: Simplify right side
    25,917.57x = 325,862,510.22
  5. Step 5: Solve for x
    x = 325,862,510.22/25,917.57
  6. Step 6: Final answer
    x = 12,573.03

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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.