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Finding the Fourth Proportional to 66,997.92, 92,453.04 and 36,777.36

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Solution

The fourth proportional to 66,997.92, 92,453.04 and 36,777.36 is: 50,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.92 : 92,453.04 = 36,777.36 : x
  2. Step 2: Convert to fraction form
    66,997.92/92,453.04 = 36,777.36/x
  3. Step 3: Cross multiply
    66,997.92x = 92,453.04 × 36,777.36
  4. Step 4: Simplify right side
    66,997.92x = 3,400,178,735.17
  5. Step 5: Solve for x
    x = 3,400,178,735.17/66,997.92
  6. Step 6: Final answer
    x = 50,750.51

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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.