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Finding the Fourth Proportional to 69,312.96, 95,652 and 39,504.96

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Solution

The fourth proportional to 69,312.96, 95,652 and 39,504.96 is: 54,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,312.96 : 95,652 = 39,504.96 : x
  2. Step 2: Convert to fraction form
    69,312.96/95,652 = 39,504.96/x
  3. Step 3: Cross multiply
    69,312.96x = 95,652 × 39,504.96
  4. Step 4: Simplify right side
    69,312.96x = 3,778,728,433.92
  5. Step 5: Solve for x
    x = 3,778,728,433.92/69,312.96
  6. Step 6: Final answer
    x = 54,516.91

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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.