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Finding the Fourth Proportional to 17,891.57, 26,829.86 and 6,792.14

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Solution

The fourth proportional to 17,891.57, 26,829.86 and 6,792.14 is: 10,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.57 : 26,829.86 = 6,792.14 : x
  2. Step 2: Convert to fraction form
    17,891.57/26,829.86 = 6,792.14/x
  3. Step 3: Cross multiply
    17,891.57x = 26,829.86 × 6,792.14
  4. Step 4: Simplify right side
    17,891.57x = 182,231,997.19
  5. Step 5: Solve for x
    x = 182,231,997.19/17,891.57
  6. Step 6: Final answer
    x = 10,185.36

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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.