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Finding the Fourth Proportional to 69,505.07, 95,917.20 and 37,674.09

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Solution

The fourth proportional to 69,505.07, 95,917.20 and 37,674.09 is: 51,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505.07 : 95,917.20 = 37,674.09 : x
  2. Step 2: Convert to fraction form
    69,505.07/95,917.20 = 37,674.09/x
  3. Step 3: Cross multiply
    69,505.07x = 95,917.20 × 37,674.09
  4. Step 4: Simplify right side
    69,505.07x = 3,613,593,036.98
  5. Step 5: Solve for x
    x = 3,613,593,036.98/69,505.07
  6. Step 6: Final answer
    x = 51,990.36

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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.