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Finding the Fourth Proportional to 69,002.75, 95,224.75 and 38,786.31

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Solution

The fourth proportional to 69,002.75, 95,224.75 and 38,786.31 is: 53,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,002.75 : 95,224.75 = 38,786.31 : x
  2. Step 2: Convert to fraction form
    69,002.75/95,224.75 = 38,786.31/x
  3. Step 3: Cross multiply
    69,002.75x = 95,224.75 × 38,786.31
  4. Step 4: Simplify right side
    69,002.75x = 3,693,416,576.21
  5. Step 5: Solve for x
    x = 3,693,416,576.21/69,002.75
  6. Step 6: Final answer
    x = 53,525.64

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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.