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Finding the Fourth Proportional to 69,470.09, 95,868.81 and 37,638.99

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Solution

The fourth proportional to 69,470.09, 95,868.81 and 37,638.99 is: 51,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.09 : 95,868.81 = 37,638.99 : x
  2. Step 2: Convert to fraction form
    69,470.09/95,868.81 = 37,638.99/x
  3. Step 3: Cross multiply
    69,470.09x = 95,868.81 × 37,638.99
  4. Step 4: Simplify right side
    69,470.09x = 3,608,405,180.90
  5. Step 5: Solve for x
    x = 3,608,405,180.90/69,470.09
  6. Step 6: Final answer
    x = 51,941.85

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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.