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Finding the Fourth Proportional to 36,507.51, 50,380.11 and 19,740.51

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Solution

The fourth proportional to 36,507.51, 50,380.11 and 19,740.51 is: 27,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.51 : 50,380.11 = 19,740.51 : x
  2. Step 2: Convert to fraction form
    36,507.51/50,380.11 = 19,740.51/x
  3. Step 3: Cross multiply
    36,507.51x = 50,380.11 × 19,740.51
  4. Step 4: Simplify right side
    36,507.51x = 994,529,065.26
  5. Step 5: Solve for x
    x = 994,529,065.26/36,507.51
  6. Step 6: Final answer
    x = 27,241.77

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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.