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Finding the Fourth Proportional to 36,521.82, 50,400.18 and 19,754.82

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Solution

The fourth proportional to 36,521.82, 50,400.18 and 19,754.82 is: 27,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.82 : 50,400.18 = 19,754.82 : x
  2. Step 2: Convert to fraction form
    36,521.82/50,400.18 = 19,754.82/x
  3. Step 3: Cross multiply
    36,521.82x = 50,400.18 × 19,754.82
  4. Step 4: Simplify right side
    36,521.82x = 995,646,483.87
  5. Step 5: Solve for x
    x = 995,646,483.87/36,521.82
  6. Step 6: Final answer
    x = 27,261.69

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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.