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Finding the Fourth Proportional to 22,151.84, 30,567.84 and 12,723.44

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Solution

The fourth proportional to 22,151.84, 30,567.84 and 12,723.44 is: 17,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.84 : 30,567.84 = 12,723.44 : x
  2. Step 2: Convert to fraction form
    22,151.84/30,567.84 = 12,723.44/x
  3. Step 3: Cross multiply
    22,151.84x = 30,567.84 × 12,723.44
  4. Step 4: Simplify right side
    22,151.84x = 388,928,078.17
  5. Step 5: Solve for x
    x = 388,928,078.17/22,151.84
  6. Step 6: Final answer
    x = 17,557.37

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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.