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Finding the Fourth Proportional to 36,406.88, 50,236.02 and 20,491.01

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Solution

The fourth proportional to 36,406.88, 50,236.02 and 20,491.01 is: 28,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.88 : 50,236.02 = 20,491.01 : x
  2. Step 2: Convert to fraction form
    36,406.88/50,236.02 = 20,491.01/x
  3. Step 3: Cross multiply
    36,406.88x = 50,236.02 × 20,491.01
  4. Step 4: Simplify right side
    36,406.88x = 1,029,386,537.00
  5. Step 5: Solve for x
    x = 1,029,386,537.00/36,406.88
  6. Step 6: Final answer
    x = 28,274.51

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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.