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Finding the Fourth Proportional to 25,863.75, 38,764.22 and 11,804.49

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Solution

The fourth proportional to 25,863.75, 38,764.22 and 11,804.49 is: 17,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.75 : 38,764.22 = 11,804.49 : x
  2. Step 2: Convert to fraction form
    25,863.75/38,764.22 = 11,804.49/x
  3. Step 3: Cross multiply
    25,863.75x = 38,764.22 × 11,804.49
  4. Step 4: Simplify right side
    25,863.75x = 457,591,788.33
  5. Step 5: Solve for x
    x = 457,591,788.33/25,863.75
  6. Step 6: Final answer
    x = 17,692.40

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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.