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Finding the Fourth Proportional to 17,791.21, 26,649.90 and 10,373.17

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Solution

The fourth proportional to 17,791.21, 26,649.90 and 10,373.17 is: 15,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.21 : 26,649.90 = 10,373.17 : x
  2. Step 2: Convert to fraction form
    17,791.21/26,649.90 = 10,373.17/x
  3. Step 3: Cross multiply
    17,791.21x = 26,649.90 × 10,373.17
  4. Step 4: Simplify right side
    17,791.21x = 276,443,758.07
  5. Step 5: Solve for x
    x = 276,443,758.07/17,791.21
  6. Step 6: Final answer
    x = 15,538.23

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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.