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Finding the Fourth Proportional to 69,510, 95,923.80 and 37,678.80

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Solution

The fourth proportional to 69,510, 95,923.80 and 37,678.80 is: 51,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510 : 95,923.80 = 37,678.80 : x
  2. Step 2: Convert to fraction form
    69,510/95,923.80 = 37,678.80/x
  3. Step 3: Cross multiply
    69,510x = 95,923.80 × 37,678.80
  4. Step 4: Simplify right side
    69,510x = 3,614,293,675.44
  5. Step 5: Solve for x
    x = 3,614,293,675.44/69,510
  6. Step 6: Final answer
    x = 51,996.74

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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.