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Finding the Fourth Proportional to 54,911.88, 82,370.79 and 17,474.94

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Solution

The fourth proportional to 54,911.88, 82,370.79 and 17,474.94 is: 26,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.88 : 82,370.79 = 17,474.94 : x
  2. Step 2: Convert to fraction form
    54,911.88/82,370.79 = 17,474.94/x
  3. Step 3: Cross multiply
    54,911.88x = 82,370.79 × 17,474.94
  4. Step 4: Simplify right side
    54,911.88x = 1,439,424,613.00
  5. Step 5: Solve for x
    x = 1,439,424,613.00/54,911.88
  6. Step 6: Final answer
    x = 26,213.36

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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.