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Finding the Fourth Proportional to 62,965.57, 86,900.61 and 36,117.67

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Solution

The fourth proportional to 62,965.57, 86,900.61 and 36,117.67 is: 49,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.57 : 86,900.61 = 36,117.67 : x
  2. Step 2: Convert to fraction form
    62,965.57/86,900.61 = 36,117.67/x
  3. Step 3: Cross multiply
    62,965.57x = 86,900.61 × 36,117.67
  4. Step 4: Simplify right side
    62,965.57x = 3,138,647,554.78
  5. Step 5: Solve for x
    x = 3,138,647,554.78/62,965.57
  6. Step 6: Final answer
    x = 49,847.04

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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.