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Finding the Fourth Proportional to 69,381.86, 95,747.21 and 37,550.75

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Solution

The fourth proportional to 69,381.86, 95,747.21 and 37,550.75 is: 51,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381.86 : 95,747.21 = 37,550.75 : x
  2. Step 2: Convert to fraction form
    69,381.86/95,747.21 = 37,550.75/x
  3. Step 3: Cross multiply
    69,381.86x = 95,747.21 × 37,550.75
  4. Step 4: Simplify right side
    69,381.86x = 3,595,378,879.42
  5. Step 5: Solve for x
    x = 3,595,378,879.42/69,381.86
  6. Step 6: Final answer
    x = 51,820.16

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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.