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Finding the Fourth Proportional to 36,520.88, 50,398.88 and 19,753.88

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Solution

The fourth proportional to 36,520.88, 50,398.88 and 19,753.88 is: 27,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.88 : 50,398.88 = 19,753.88 : x
  2. Step 2: Convert to fraction form
    36,520.88/50,398.88 = 19,753.88/x
  3. Step 3: Cross multiply
    36,520.88x = 50,398.88 × 19,753.88
  4. Step 4: Simplify right side
    36,520.88x = 995,573,076.89
  5. Step 5: Solve for x
    x = 995,573,076.89/36,520.88
  6. Step 6: Final answer
    x = 27,260.38

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Half scale
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Double scale
Find fourth proportional to 36,521.88, 50,400.26 and 19,754.88
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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.