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Finding the Fourth Proportional to 73,640.44, 101,619 and 43,424.32

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Solution

The fourth proportional to 73,640.44, 101,619 and 43,424.32 is: 59,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.44 : 101,619 = 43,424.32 : x
  2. Step 2: Convert to fraction form
    73,640.44/101,619 = 43,424.32/x
  3. Step 3: Cross multiply
    73,640.44x = 101,619 × 43,424.32
  4. Step 4: Simplify right side
    73,640.44x = 4,412,735,974.08
  5. Step 5: Solve for x
    x = 4,412,735,974.08/73,640.44
  6. Step 6: Final answer
    x = 59,922.73

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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.