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Finding the Fourth Proportional to 66,961.98, 100,431.98 and 24,832.16

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Solution

The fourth proportional to 66,961.98, 100,431.98 and 24,832.16 is: 37,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.98 : 100,431.98 = 24,832.16 : x
  2. Step 2: Convert to fraction form
    66,961.98/100,431.98 = 24,832.16/x
  3. Step 3: Cross multiply
    66,961.98x = 100,431.98 × 24,832.16
  4. Step 4: Simplify right side
    66,961.98x = 2,493,942,996.48
  5. Step 5: Solve for x
    x = 2,493,942,996.48/66,961.98
  6. Step 6: Final answer
    x = 37,244.16

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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.