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Finding the Fourth Proportional to 22,415.94, 30,934.23 and 12,344.58

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Solution

The fourth proportional to 22,415.94, 30,934.23 and 12,344.58 is: 17,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.94 : 30,934.23 = 12,344.58 : x
  2. Step 2: Convert to fraction form
    22,415.94/30,934.23 = 12,344.58/x
  3. Step 3: Cross multiply
    22,415.94x = 30,934.23 × 12,344.58
  4. Step 4: Simplify right side
    22,415.94x = 381,870,076.97
  5. Step 5: Solve for x
    x = 381,870,076.97/22,415.94
  6. Step 6: Final answer
    x = 17,035.65

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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.