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Finding the Fourth Proportional to 69,369.72, 95,730.38 and 37,538.96

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Solution

The fourth proportional to 69,369.72, 95,730.38 and 37,538.96 is: 51,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,369.72 : 95,730.38 = 37,538.96 : x
  2. Step 2: Convert to fraction form
    69,369.72/95,730.38 = 37,538.96/x
  3. Step 3: Cross multiply
    69,369.72x = 95,730.38 × 37,538.96
  4. Step 4: Simplify right side
    69,369.72x = 3,593,618,905.60
  5. Step 5: Solve for x
    x = 3,593,618,905.60/69,369.72
  6. Step 6: Final answer
    x = 51,803.85

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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.