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Finding the Fourth Proportional to 69,817.34, 96,347.48 and 37,986.37

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Solution

The fourth proportional to 69,817.34, 96,347.48 and 37,986.37 is: 52,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,817.34 : 96,347.48 = 37,986.37 : x
  2. Step 2: Convert to fraction form
    69,817.34/96,347.48 = 37,986.37/x
  3. Step 3: Cross multiply
    69,817.34x = 96,347.48 × 37,986.37
  4. Step 4: Simplify right side
    69,817.34x = 3,659,890,593.05
  5. Step 5: Solve for x
    x = 3,659,890,593.05/69,817.34
  6. Step 6: Final answer
    x = 52,420.94

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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.