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Finding the Fourth Proportional to 84,896.87, 127,337.94 and 28,735.73

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Solution

The fourth proportional to 84,896.87, 127,337.94 and 28,735.73 is: 43,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.87 : 127,337.94 = 28,735.73 : x
  2. Step 2: Convert to fraction form
    84,896.87/127,337.94 = 28,735.73/x
  3. Step 3: Cross multiply
    84,896.87x = 127,337.94 × 28,735.73
  4. Step 4: Simplify right side
    84,896.87x = 3,659,148,662.60
  5. Step 5: Solve for x
    x = 3,659,148,662.60/84,896.87
  6. Step 6: Final answer
    x = 43,101.10

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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.