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Finding the Fourth Proportional to 69,286.81, 95,615.76 and 37,455.77

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Solution

The fourth proportional to 69,286.81, 95,615.76 and 37,455.77 is: 51,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.81 : 95,615.76 = 37,455.77 : x
  2. Step 2: Convert to fraction form
    69,286.81/95,615.76 = 37,455.77/x
  3. Step 3: Cross multiply
    69,286.81x = 95,615.76 × 37,455.77
  4. Step 4: Simplify right side
    69,286.81x = 3,581,361,914.94
  5. Step 5: Solve for x
    x = 3,581,361,914.94/69,286.81
  6. Step 6: Final answer
    x = 51,688.94

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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.