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Finding the Fourth Proportional to 65,891.02, 90,936.12 and 37,600.96

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Solution

The fourth proportional to 65,891.02, 90,936.12 and 37,600.96 is: 51,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.02 : 90,936.12 = 37,600.96 : x
  2. Step 2: Convert to fraction form
    65,891.02/90,936.12 = 37,600.96/x
  3. Step 3: Cross multiply
    65,891.02x = 90,936.12 × 37,600.96
  4. Step 4: Simplify right side
    65,891.02x = 3,419,285,410.68
  5. Step 5: Solve for x
    x = 3,419,285,410.68/65,891.02
  6. Step 6: Final answer
    x = 51,893.04

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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.