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Finding the Fourth Proportional to 36,507.96, 50,380.99 and 19,740.96

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Solution

The fourth proportional to 36,507.96, 50,380.99 and 19,740.96 is: 27,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.96 : 50,380.99 = 19,740.96 : x
  2. Step 2: Convert to fraction form
    36,507.96/50,380.99 = 19,740.96/x
  3. Step 3: Cross multiply
    36,507.96x = 50,380.99 × 19,740.96
  4. Step 4: Simplify right side
    36,507.96x = 994,569,059.00
  5. Step 5: Solve for x
    x = 994,569,059.00/36,507.96
  6. Step 6: Final answer
    x = 27,242.53

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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.