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Finding the Fourth Proportional to 36,480.21, 50,342.69 and 19,713.21

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Solution

The fourth proportional to 36,480.21, 50,342.69 and 19,713.21 is: 27,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.21 : 50,342.69 = 19,713.21 : x
  2. Step 2: Convert to fraction form
    36,480.21/50,342.69 = 19,713.21/x
  3. Step 3: Cross multiply
    36,480.21x = 50,342.69 × 19,713.21
  4. Step 4: Simplify right side
    36,480.21x = 992,416,019.93
  5. Step 5: Solve for x
    x = 992,416,019.93/36,480.21
  6. Step 6: Final answer
    x = 27,204.23

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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.