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Finding the Fourth Proportional to 69,518.82, 95,936.10 and 37,687.86

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Solution

The fourth proportional to 69,518.82, 95,936.10 and 37,687.86 is: 52,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,518.82 : 95,936.10 = 37,687.86 : x
  2. Step 2: Convert to fraction form
    69,518.82/95,936.10 = 37,687.86/x
  3. Step 3: Cross multiply
    69,518.82x = 95,936.10 × 37,687.86
  4. Step 4: Simplify right side
    69,518.82x = 3,615,626,305.75
  5. Step 5: Solve for x
    x = 3,615,626,305.75/69,518.82
  6. Step 6: Final answer
    x = 52,009.32

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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.