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Finding the Fourth Proportional to 69,406.98, 95,781.50 and 37,575.87

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Solution

The fourth proportional to 69,406.98, 95,781.50 and 37,575.87 is: 51,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,406.98 : 95,781.50 = 37,575.87 : x
  2. Step 2: Convert to fraction form
    69,406.98/95,781.50 = 37,575.87/x
  3. Step 3: Cross multiply
    69,406.98x = 95,781.50 × 37,575.87
  4. Step 4: Simplify right side
    69,406.98x = 3,599,073,192.41
  5. Step 5: Solve for x
    x = 3,599,073,192.41/69,406.98
  6. Step 6: Final answer
    x = 51,854.63

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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.