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Finding the Fourth Proportional to 45,997.64, 68,996.46 and 14,407.97

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Solution

The fourth proportional to 45,997.64, 68,996.46 and 14,407.97 is: 21,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,997.64 : 68,996.46 = 14,407.97 : x
  2. Step 2: Convert to fraction form
    45,997.64/68,996.46 = 14,407.97/x
  3. Step 3: Cross multiply
    45,997.64x = 68,996.46 × 14,407.97
  4. Step 4: Simplify right side
    45,997.64x = 994,098,961.81
  5. Step 5: Solve for x
    x = 994,098,961.81/45,997.64
  6. Step 6: Final answer
    x = 21,611.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.