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Finding the Fourth Proportional to 69,474.30, 95,874.62 and 37,643.19

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Solution

The fourth proportional to 69,474.30, 95,874.62 and 37,643.19 is: 51,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.30 : 95,874.62 = 37,643.19 : x
  2. Step 2: Convert to fraction form
    69,474.30/95,874.62 = 37,643.19/x
  3. Step 3: Cross multiply
    69,474.30x = 95,874.62 × 37,643.19
  4. Step 4: Simplify right side
    69,474.30x = 3,609,026,536.84
  5. Step 5: Solve for x
    x = 3,609,026,536.84/69,474.30
  6. Step 6: Final answer
    x = 51,947.65

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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.