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Finding the Fourth Proportional to 36,504, 50,382.87 and 20,588.76

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Solution

The fourth proportional to 36,504, 50,382.87 and 20,588.76 is: 28,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,504 : 50,382.87 = 20,588.76 : x
  2. Step 2: Convert to fraction form
    36,504/50,382.87 = 20,588.76/x
  3. Step 3: Cross multiply
    36,504x = 50,382.87 × 20,588.76
  4. Step 4: Simplify right side
    36,504x = 1,037,320,818.54
  5. Step 5: Solve for x
    x = 1,037,320,818.54/36,504
  6. Step 6: Final answer
    x = 28,416.63

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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.