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Finding the Fourth Proportional to 69,474.90, 95,874.72 and 37,643.70

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Solution

The fourth proportional to 69,474.90, 95,874.72 and 37,643.70 is: 51,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.90 : 95,874.72 = 37,643.70 : x
  2. Step 2: Convert to fraction form
    69,474.90/95,874.72 = 37,643.70/x
  3. Step 3: Cross multiply
    69,474.90x = 95,874.72 × 37,643.70
  4. Step 4: Simplify right side
    69,474.90x = 3,609,079,197.26
  5. Step 5: Solve for x
    x = 3,609,079,197.26/69,474.90
  6. Step 6: Final answer
    x = 51,947.96

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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.