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Finding the Fourth Proportional to 36,478.34, 50,340.03 and 19,711.34

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Solution

The fourth proportional to 36,478.34, 50,340.03 and 19,711.34 is: 27,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.34 : 50,340.03 = 19,711.34 : x
  2. Step 2: Convert to fraction form
    36,478.34/50,340.03 = 19,711.34/x
  3. Step 3: Cross multiply
    36,478.34x = 50,340.03 × 19,711.34
  4. Step 4: Simplify right side
    36,478.34x = 992,269,446.94
  5. Step 5: Solve for x
    x = 992,269,446.94/36,478.34
  6. Step 6: Final answer
    x = 27,201.61

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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.