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Finding the Fourth Proportional to 25,454.88, 38,197.44 and 13,767.84

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Solution

The fourth proportional to 25,454.88, 38,197.44 and 13,767.84 is: 20,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.88 : 38,197.44 = 13,767.84 : x
  2. Step 2: Convert to fraction form
    25,454.88/38,197.44 = 13,767.84/x
  3. Step 3: Cross multiply
    25,454.88x = 38,197.44 × 13,767.84
  4. Step 4: Simplify right side
    25,454.88x = 525,896,242.33
  5. Step 5: Solve for x
    x = 525,896,242.33/25,454.88
  6. Step 6: Final answer
    x = 20,659.94

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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.