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Finding the Fourth Proportional to 25,797.35, 38,659.53 and 10,991.36

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Solution

The fourth proportional to 25,797.35, 38,659.53 and 10,991.36 is: 16,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.35 : 38,659.53 = 10,991.36 : x
  2. Step 2: Convert to fraction form
    25,797.35/38,659.53 = 10,991.36/x
  3. Step 3: Cross multiply
    25,797.35x = 38,659.53 × 10,991.36
  4. Step 4: Simplify right side
    25,797.35x = 424,920,811.66
  5. Step 5: Solve for x
    x = 424,920,811.66/25,797.35
  6. Step 6: Final answer
    x = 16,471.49

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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.