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Finding the Fourth Proportional to 26,791.66, 40,189.07 and 9,020.84

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Solution

The fourth proportional to 26,791.66, 40,189.07 and 9,020.84 is: 13,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.66 : 40,189.07 = 9,020.84 : x
  2. Step 2: Convert to fraction form
    26,791.66/40,189.07 = 9,020.84/x
  3. Step 3: Cross multiply
    26,791.66x = 40,189.07 × 9,020.84
  4. Step 4: Simplify right side
    26,791.66x = 362,538,928.40
  5. Step 5: Solve for x
    x = 362,538,928.40/26,791.66
  6. Step 6: Final answer
    x = 13,531.78

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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.