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Finding the Fourth Proportional to 25,511.74, 38,230.50 and 11,262.88

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Solution

The fourth proportional to 25,511.74, 38,230.50 and 11,262.88 is: 16,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.74 : 38,230.50 = 11,262.88 : x
  2. Step 2: Convert to fraction form
    25,511.74/38,230.50 = 11,262.88/x
  3. Step 3: Cross multiply
    25,511.74x = 38,230.50 × 11,262.88
  4. Step 4: Simplify right side
    25,511.74x = 430,585,533.84
  5. Step 5: Solve for x
    x = 430,585,533.84/25,511.74
  6. Step 6: Final answer
    x = 16,877.94

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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.