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Finding the Fourth Proportional to 69,757.64, 96,311.86 and 53,596.12

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Solution

The fourth proportional to 69,757.64, 96,311.86 and 53,596.12 is: 73,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,757.64 : 96,311.86 = 53,596.12 : x
  2. Step 2: Convert to fraction form
    69,757.64/96,311.86 = 53,596.12/x
  3. Step 3: Cross multiply
    69,757.64x = 96,311.86 × 53,596.12
  4. Step 4: Simplify right side
    69,757.64x = 5,161,942,005.98
  5. Step 5: Solve for x
    x = 5,161,942,005.98/69,757.64
  6. Step 6: Final answer
    x = 73,998.23

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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.