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Finding the Fourth Proportional to 69,404.85, 95,794.50 and 45,163.09

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Solution

The fourth proportional to 69,404.85, 95,794.50 and 45,163.09 is: 62,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404.85 : 95,794.50 = 45,163.09 : x
  2. Step 2: Convert to fraction form
    69,404.85/95,794.50 = 45,163.09/x
  3. Step 3: Cross multiply
    69,404.85x = 95,794.50 × 45,163.09
  4. Step 4: Simplify right side
    69,404.85x = 4,326,375,625.01
  5. Step 5: Solve for x
    x = 4,326,375,625.01/69,404.85
  6. Step 6: Final answer
    x = 62,335.35

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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.