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Finding the Fourth Proportional to 54,014.24, 81,020.88 and 17,078.24

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Solution

The fourth proportional to 54,014.24, 81,020.88 and 17,078.24 is: 25,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.24 : 81,020.88 = 17,078.24 : x
  2. Step 2: Convert to fraction form
    54,014.24/81,020.88 = 17,078.24/x
  3. Step 3: Cross multiply
    54,014.24x = 81,020.88 × 17,078.24
  4. Step 4: Simplify right side
    54,014.24x = 1,383,694,033.65
  5. Step 5: Solve for x
    x = 1,383,694,033.65/54,014.24
  6. Step 6: Final answer
    x = 25,617.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.