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Finding the Fourth Proportional to 36,809.50, 50,797.11 and 20,042.50

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Solution

The fourth proportional to 36,809.50, 50,797.11 and 20,042.50 is: 27,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.50 : 50,797.11 = 20,042.50 : x
  2. Step 2: Convert to fraction form
    36,809.50/50,797.11 = 20,042.50/x
  3. Step 3: Cross multiply
    36,809.50x = 50,797.11 × 20,042.50
  4. Step 4: Simplify right side
    36,809.50x = 1,018,101,077.18
  5. Step 5: Solve for x
    x = 1,018,101,077.18/36,809.50
  6. Step 6: Final answer
    x = 27,658.65

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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.