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Finding the Fourth Proportional to 17,755.44, 26,642.46 and 6,669.78

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Solution

The fourth proportional to 17,755.44, 26,642.46 and 6,669.78 is: 10,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.44 : 26,642.46 = 6,669.78 : x
  2. Step 2: Convert to fraction form
    17,755.44/26,642.46 = 6,669.78/x
  3. Step 3: Cross multiply
    17,755.44x = 26,642.46 × 6,669.78
  4. Step 4: Simplify right side
    17,755.44x = 177,699,346.86
  5. Step 5: Solve for x
    x = 177,699,346.86/17,755.44
  6. Step 6: Final answer
    x = 10,008.16

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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.