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Finding the Fourth Proportional to 36,591.75, 50,495.07 and 20,676.80

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Solution

The fourth proportional to 36,591.75, 50,495.07 and 20,676.80 is: 28,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.75 : 50,495.07 = 20,676.80 : x
  2. Step 2: Convert to fraction form
    36,591.75/50,495.07 = 20,676.80/x
  3. Step 3: Cross multiply
    36,591.75x = 50,495.07 × 20,676.80
  4. Step 4: Simplify right side
    36,591.75x = 1,044,076,463.38
  5. Step 5: Solve for x
    x = 1,044,076,463.38/36,591.75
  6. Step 6: Final answer
    x = 28,533.11

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Double scale
Find fourth proportional to 36,592.75, 50,496.45 and 20,677.80
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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.