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Finding the Fourth Proportional to 85,333.97, 127,999.64 and 37,936.62

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Solution

The fourth proportional to 85,333.97, 127,999.64 and 37,936.62 is: 56,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,333.97 : 127,999.64 = 37,936.62 : x
  2. Step 2: Convert to fraction form
    85,333.97/127,999.64 = 37,936.62/x
  3. Step 3: Cross multiply
    85,333.97x = 127,999.64 × 37,936.62
  4. Step 4: Simplify right side
    85,333.97x = 4,855,873,797.66
  5. Step 5: Solve for x
    x = 4,855,873,797.66/85,333.97
  6. Step 6: Final answer
    x = 56,904.34

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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.