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Finding the Fourth Proportional to 36,521.68, 50,399.82 and 19,754.68

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Solution

The fourth proportional to 36,521.68, 50,399.82 and 19,754.68 is: 27,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.68 : 50,399.82 = 19,754.68 : x
  2. Step 2: Convert to fraction form
    36,521.68/50,399.82 = 19,754.68/x
  3. Step 3: Cross multiply
    36,521.68x = 50,399.82 × 19,754.68
  4. Step 4: Simplify right side
    36,521.68x = 995,632,116.08
  5. Step 5: Solve for x
    x = 995,632,116.08/36,521.68
  6. Step 6: Final answer
    x = 27,261.40

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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.