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Finding the Fourth Proportional to 54,685.75, 82,028.64 and 17,749.75

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Solution

The fourth proportional to 54,685.75, 82,028.64 and 17,749.75 is: 26,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.75 : 82,028.64 = 17,749.75 : x
  2. Step 2: Convert to fraction form
    54,685.75/82,028.64 = 17,749.75/x
  3. Step 3: Cross multiply
    54,685.75x = 82,028.64 × 17,749.75
  4. Step 4: Simplify right side
    54,685.75x = 1,455,987,852.84
  5. Step 5: Solve for x
    x = 1,455,987,852.84/54,685.75
  6. Step 6: Final answer
    x = 26,624.63

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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.