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Finding the Fourth Proportional to 17,943.48, 26,912.02 and 5,460.48

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Solution

The fourth proportional to 17,943.48, 26,912.02 and 5,460.48 is: 8,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.48 : 26,912.02 = 5,460.48 : x
  2. Step 2: Convert to fraction form
    17,943.48/26,912.02 = 5,460.48/x
  3. Step 3: Cross multiply
    17,943.48x = 26,912.02 × 5,460.48
  4. Step 4: Simplify right side
    17,943.48x = 146,952,546.97
  5. Step 5: Solve for x
    x = 146,952,546.97/17,943.48
  6. Step 6: Final answer
    x = 8,189.75

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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.