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Finding the Fourth Proportional to 25,874.58, 38,811.79 and 11,073.85

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Solution

The fourth proportional to 25,874.58, 38,811.79 and 11,073.85 is: 16,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,874.58 : 38,811.79 = 11,073.85 : x
  2. Step 2: Convert to fraction form
    25,874.58/38,811.79 = 11,073.85/x
  3. Step 3: Cross multiply
    25,874.58x = 38,811.79 × 11,073.85
  4. Step 4: Simplify right side
    25,874.58x = 429,795,940.69
  5. Step 5: Solve for x
    x = 429,795,940.69/25,874.58
  6. Step 6: Final answer
    x = 16,610.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.