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Finding the Fourth Proportional to 69,992.54, 96,550.70 and 48,494.87

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Solution

The fourth proportional to 69,992.54, 96,550.70 and 48,494.87 is: 66,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.54 : 96,550.70 = 48,494.87 : x
  2. Step 2: Convert to fraction form
    69,992.54/96,550.70 = 48,494.87/x
  3. Step 3: Cross multiply
    69,992.54x = 96,550.70 × 48,494.87
  4. Step 4: Simplify right side
    69,992.54x = 4,682,213,644.91
  5. Step 5: Solve for x
    x = 4,682,213,644.91/69,992.54
  6. Step 6: Final answer
    x = 66,895.90

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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.