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Finding the Fourth Proportional to 36,100.87, 49,823.84 and 20,186.19

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Solution

The fourth proportional to 36,100.87, 49,823.84 and 20,186.19 is: 27,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.87 : 49,823.84 = 20,186.19 : x
  2. Step 2: Convert to fraction form
    36,100.87/49,823.84 = 20,186.19/x
  3. Step 3: Cross multiply
    36,100.87x = 49,823.84 × 20,186.19
  4. Step 4: Simplify right side
    36,100.87x = 1,005,753,500.77
  5. Step 5: Solve for x
    x = 1,005,753,500.77/36,100.87
  6. Step 6: Final answer
    x = 27,859.54

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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.