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Finding the Fourth Proportional to 41,251.50, 56,928.12 and 22,388.58

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Solution

The fourth proportional to 41,251.50, 56,928.12 and 22,388.58 is: 30,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,251.50 : 56,928.12 = 22,388.58 : x
  2. Step 2: Convert to fraction form
    41,251.50/56,928.12 = 22,388.58/x
  3. Step 3: Cross multiply
    41,251.50x = 56,928.12 × 22,388.58
  4. Step 4: Simplify right side
    41,251.50x = 1,274,539,768.87
  5. Step 5: Solve for x
    x = 1,274,539,768.87/41,251.50
  6. Step 6: Final answer
    x = 30,896.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.