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Finding the Fourth Proportional to 17,791.97, 26,666.46 and 6,538.23

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Solution

The fourth proportional to 17,791.97, 26,666.46 and 6,538.23 is: 9,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.97 : 26,666.46 = 6,538.23 : x
  2. Step 2: Convert to fraction form
    17,791.97/26,666.46 = 6,538.23/x
  3. Step 3: Cross multiply
    17,791.97x = 26,666.46 × 6,538.23
  4. Step 4: Simplify right side
    17,791.97x = 174,351,448.77
  5. Step 5: Solve for x
    x = 174,351,448.77/17,791.97
  6. Step 6: Final answer
    x = 9,799.45

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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.