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Finding the Fourth Proportional to 17,755.34, 26,626.07 and 6,655.98

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Solution

The fourth proportional to 17,755.34, 26,626.07 and 6,655.98 is: 9,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.34 : 26,626.07 = 6,655.98 : x
  2. Step 2: Convert to fraction form
    17,755.34/26,626.07 = 6,655.98/x
  3. Step 3: Cross multiply
    17,755.34x = 26,626.07 × 6,655.98
  4. Step 4: Simplify right side
    17,755.34x = 177,222,593.56
  5. Step 5: Solve for x
    x = 177,222,593.56/17,755.34
  6. Step 6: Final answer
    x = 9,981.37

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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.