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Finding the Fourth Proportional to 54,754.72, 82,142.22 and 17,324.22

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Solution

The fourth proportional to 54,754.72, 82,142.22 and 17,324.22 is: 25,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.72 : 82,142.22 = 17,324.22 : x
  2. Step 2: Convert to fraction form
    54,754.72/82,142.22 = 17,324.22/x
  3. Step 3: Cross multiply
    54,754.72x = 82,142.22 × 17,324.22
  4. Step 4: Simplify right side
    54,754.72x = 1,423,049,728.52
  5. Step 5: Solve for x
    x = 1,423,049,728.52/54,754.72
  6. Step 6: Final answer
    x = 25,989.53

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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.