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Finding the Fourth Proportional to 69,744.60, 96,245.46 and 37,912.68

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Solution

The fourth proportional to 69,744.60, 96,245.46 and 37,912.68 is: 52,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744.60 : 96,245.46 = 37,912.68 : x
  2. Step 2: Convert to fraction form
    69,744.60/96,245.46 = 37,912.68/x
  3. Step 3: Cross multiply
    69,744.60x = 96,245.46 × 37,912.68
  4. Step 4: Simplify right side
    69,744.60x = 3,648,923,326.43
  5. Step 5: Solve for x
    x = 3,648,923,326.43/69,744.60
  6. Step 6: Final answer
    x = 52,318.36

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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.