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Finding the Fourth Proportional to 75,659.92, 104,409.81 and 41,667.70

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Solution

The fourth proportional to 75,659.92, 104,409.81 and 41,667.70 is: 57,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,659.92 : 104,409.81 = 41,667.70 : x
  2. Step 2: Convert to fraction form
    75,659.92/104,409.81 = 41,667.70/x
  3. Step 3: Cross multiply
    75,659.92x = 104,409.81 × 41,667.70
  4. Step 4: Simplify right side
    75,659.92x = 4,350,516,640.14
  5. Step 5: Solve for x
    x = 4,350,516,640.14/75,659.92
  6. Step 6: Final answer
    x = 57,500.94

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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.