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Finding the Fourth Proportional to 36,201.70, 49,959.70 and 20,285.56

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Solution

The fourth proportional to 36,201.70, 49,959.70 and 20,285.56 is: 27,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.70 : 49,959.70 = 20,285.56 : x
  2. Step 2: Convert to fraction form
    36,201.70/49,959.70 = 20,285.56/x
  3. Step 3: Cross multiply
    36,201.70x = 49,959.70 × 20,285.56
  4. Step 4: Simplify right side
    36,201.70x = 1,013,460,491.93
  5. Step 5: Solve for x
    x = 1,013,460,491.93/36,201.70
  6. Step 6: Final answer
    x = 27,994.83

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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.