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Finding the Fourth Proportional to 62,568.93, 86,336.81 and 35,709.84

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Solution

The fourth proportional to 62,568.93, 86,336.81 and 35,709.84 is: 49,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,568.93 : 86,336.81 = 35,709.84 : x
  2. Step 2: Convert to fraction form
    62,568.93/86,336.81 = 35,709.84/x
  3. Step 3: Cross multiply
    62,568.93x = 86,336.81 × 35,709.84
  4. Step 4: Simplify right side
    62,568.93x = 3,083,073,671.21
  5. Step 5: Solve for x
    x = 3,083,073,671.21/62,568.93
  6. Step 6: Final answer
    x = 49,274.83

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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.