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Finding the Fourth Proportional to 22,759.98, 31,400.10 and 16,805.94

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Solution

The fourth proportional to 22,759.98, 31,400.10 and 16,805.94 is: 23,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.98 : 31,400.10 = 16,805.94 : x
  2. Step 2: Convert to fraction form
    22,759.98/31,400.10 = 16,805.94/x
  3. Step 3: Cross multiply
    22,759.98x = 31,400.10 × 16,805.94
  4. Step 4: Simplify right side
    22,759.98x = 527,708,196.59
  5. Step 5: Solve for x
    x = 527,708,196.59/22,759.98
  6. Step 6: Final answer
    x = 23,185.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.