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Finding the Fourth Proportional to 69,617.75, 96,072.59 and 37,786.65

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Solution

The fourth proportional to 69,617.75, 96,072.59 and 37,786.65 is: 52,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617.75 : 96,072.59 = 37,786.65 : x
  2. Step 2: Convert to fraction form
    69,617.75/96,072.59 = 37,786.65/x
  3. Step 3: Cross multiply
    69,617.75x = 96,072.59 × 37,786.65
  4. Step 4: Simplify right side
    69,617.75x = 3,630,261,143.99
  5. Step 5: Solve for x
    x = 3,630,261,143.99/69,617.75
  6. Step 6: Final answer
    x = 52,145.63

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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.