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Finding the Fourth Proportional to 69,559.66, 95,992.32 and 37,728.78

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Solution

The fourth proportional to 69,559.66, 95,992.32 and 37,728.78 is: 52,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,559.66 : 95,992.32 = 37,728.78 : x
  2. Step 2: Convert to fraction form
    69,559.66/95,992.32 = 37,728.78/x
  3. Step 3: Cross multiply
    69,559.66x = 95,992.32 × 37,728.78
  4. Step 4: Simplify right side
    69,559.66x = 3,621,673,122.97
  5. Step 5: Solve for x
    x = 3,621,673,122.97/69,559.66
  6. Step 6: Final answer
    x = 52,065.71

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1.5x scale

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.