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Finding the Fourth Proportional to 17,963.30, 26,943.77 and 6,716.45

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Solution

The fourth proportional to 17,963.30, 26,943.77 and 6,716.45 is: 10,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.30 : 26,943.77 = 6,716.45 : x
  2. Step 2: Convert to fraction form
    17,963.30/26,943.77 = 6,716.45/x
  3. Step 3: Cross multiply
    17,963.30x = 26,943.77 × 6,716.45
  4. Step 4: Simplify right side
    17,963.30x = 180,966,568.17
  5. Step 5: Solve for x
    x = 180,966,568.17/17,963.30
  6. Step 6: Final answer
    x = 10,074.24

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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.