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Finding the Fourth Proportional to 36,201.56, 49,960.13 and 20,291.13

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Solution

The fourth proportional to 36,201.56, 49,960.13 and 20,291.13 is: 28,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.56 : 49,960.13 = 20,291.13 : x
  2. Step 2: Convert to fraction form
    36,201.56/49,960.13 = 20,291.13/x
  3. Step 3: Cross multiply
    36,201.56x = 49,960.13 × 20,291.13
  4. Step 4: Simplify right side
    36,201.56x = 1,013,747,391.19
  5. Step 5: Solve for x
    x = 1,013,747,391.19/36,201.56
  6. Step 6: Final answer
    x = 28,002.87

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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.