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Finding the Fourth Proportional to 54,007.75, 81,024.59 and 17,071.75

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Solution

The fourth proportional to 54,007.75, 81,024.59 and 17,071.75 is: 25,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,007.75 : 81,024.59 = 17,071.75 : x
  2. Step 2: Convert to fraction form
    54,007.75/81,024.59 = 17,071.75/x
  3. Step 3: Cross multiply
    54,007.75x = 81,024.59 × 17,071.75
  4. Step 4: Simplify right side
    54,007.75x = 1,383,231,544.33
  5. Step 5: Solve for x
    x = 1,383,231,544.33/54,007.75
  6. Step 6: Final answer
    x = 25,611.72

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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.