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Finding the Fourth Proportional to 36,997.44, 51,059.80 and 21,087

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Solution

The fourth proportional to 36,997.44, 51,059.80 and 21,087 is: 29,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,997.44 : 51,059.80 = 21,087 : x
  2. Step 2: Convert to fraction form
    36,997.44/51,059.80 = 21,087/x
  3. Step 3: Cross multiply
    36,997.44x = 51,059.80 × 21,087
  4. Step 4: Simplify right side
    36,997.44x = 1,076,698,002.60
  5. Step 5: Solve for x
    x = 1,076,698,002.60/36,997.44
  6. Step 6: Final answer
    x = 29,101.96

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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.