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Finding the Fourth Proportional to 69,093.98, 95,350.10 and 38,879.81

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Solution

The fourth proportional to 69,093.98, 95,350.10 and 38,879.81 is: 53,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,093.98 : 95,350.10 = 38,879.81 : x
  2. Step 2: Convert to fraction form
    69,093.98/95,350.10 = 38,879.81/x
  3. Step 3: Cross multiply
    69,093.98x = 95,350.10 × 38,879.81
  4. Step 4: Simplify right side
    69,093.98x = 3,707,193,771.48
  5. Step 5: Solve for x
    x = 3,707,193,771.48/69,093.98
  6. Step 6: Final answer
    x = 53,654.37

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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.