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Finding the Fourth Proportional to 69,559.65, 95,991.83 and 37,728.57

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Solution

The fourth proportional to 69,559.65, 95,991.83 and 37,728.57 is: 52,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,559.65 : 95,991.83 = 37,728.57 : x
  2. Step 2: Convert to fraction form
    69,559.65/95,991.83 = 37,728.57/x
  3. Step 3: Cross multiply
    69,559.65x = 95,991.83 × 37,728.57
  4. Step 4: Simplify right side
    69,559.65x = 3,621,634,288.94
  5. Step 5: Solve for x
    x = 3,621,634,288.94/69,559.65
  6. Step 6: Final answer
    x = 52,065.16

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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.