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Finding the Fourth Proportional to 17,943.98, 26,912.77 and 5,460.98

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Solution

The fourth proportional to 17,943.98, 26,912.77 and 5,460.98 is: 8,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.98 : 26,912.77 = 5,460.98 : x
  2. Step 2: Convert to fraction form
    17,943.98/26,912.77 = 5,460.98/x
  3. Step 3: Cross multiply
    17,943.98x = 26,912.77 × 5,460.98
  4. Step 4: Simplify right side
    17,943.98x = 146,970,098.71
  5. Step 5: Solve for x
    x = 146,970,098.71/17,943.98
  6. Step 6: Final answer
    x = 8,190.50

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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.