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Finding the Fourth Proportional to 69,375.44, 95,784.90 and 45,542.54

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Solution

The fourth proportional to 69,375.44, 95,784.90 and 45,542.54 is: 62,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.44 : 95,784.90 = 45,542.54 : x
  2. Step 2: Convert to fraction form
    69,375.44/95,784.90 = 45,542.54/x
  3. Step 3: Cross multiply
    69,375.44x = 95,784.90 × 45,542.54
  4. Step 4: Simplify right side
    69,375.44x = 4,362,287,639.65
  5. Step 5: Solve for x
    x = 4,362,287,639.65/69,375.44
  6. Step 6: Final answer
    x = 62,879.42

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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.