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Finding the Fourth Proportional to 69,474.56, 95,875.11 and 37,643.36

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Solution

The fourth proportional to 69,474.56, 95,875.11 and 37,643.36 is: 51,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,474.56 : 95,875.11 = 37,643.36 : x
  2. Step 2: Convert to fraction form
    69,474.56/95,875.11 = 37,643.36/x
  3. Step 3: Cross multiply
    69,474.56x = 95,875.11 × 37,643.36
  4. Step 4: Simplify right side
    69,474.56x = 3,609,060,801.39
  5. Step 5: Solve for x
    x = 3,609,060,801.39/69,474.56
  6. Step 6: Final answer
    x = 51,947.95

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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.