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Finding the Fourth Proportional to 62,606.87, 86,399.84 and 35,749.61

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Solution

The fourth proportional to 62,606.87, 86,399.84 and 35,749.61 is: 49,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,606.87 : 86,399.84 = 35,749.61 : x
  2. Step 2: Convert to fraction form
    62,606.87/86,399.84 = 35,749.61/x
  3. Step 3: Cross multiply
    62,606.87x = 86,399.84 × 35,749.61
  4. Step 4: Simplify right side
    62,606.87x = 3,088,760,584.06
  5. Step 5: Solve for x
    x = 3,088,760,584.06/62,606.87
  6. Step 6: Final answer
    x = 49,335.81

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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.