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Finding the Fourth Proportional to 69,390.96, 95,765.82 and 39,183.69

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Solution

The fourth proportional to 69,390.96, 95,765.82 and 39,183.69 is: 54,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.96 : 95,765.82 = 39,183.69 : x
  2. Step 2: Convert to fraction form
    69,390.96/95,765.82 = 39,183.69/x
  3. Step 3: Cross multiply
    69,390.96x = 95,765.82 × 39,183.69
  4. Step 4: Simplify right side
    69,390.96x = 3,752,458,203.48
  5. Step 5: Solve for x
    x = 3,752,458,203.48/69,390.96
  6. Step 6: Final answer
    x = 54,077.05

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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.