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Finding the Fourth Proportional to 69,192.54, 95,491.44 and 38,983.74

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Solution

The fourth proportional to 69,192.54, 95,491.44 and 38,983.74 is: 53,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.54 : 95,491.44 = 38,983.74 : x
  2. Step 2: Convert to fraction form
    69,192.54/95,491.44 = 38,983.74/x
  3. Step 3: Cross multiply
    69,192.54x = 95,491.44 × 38,983.74
  4. Step 4: Simplify right side
    69,192.54x = 3,722,613,469.19
  5. Step 5: Solve for x
    x = 3,722,613,469.19/69,192.54
  6. Step 6: Final answer
    x = 53,800.79

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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.