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Finding the Fourth Proportional to 22,282.88, 30,744.96 and 12,346.88

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Solution

The fourth proportional to 22,282.88, 30,744.96 and 12,346.88 is: 17,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.88 : 30,744.96 = 12,346.88 : x
  2. Step 2: Convert to fraction form
    22,282.88/30,744.96 = 12,346.88/x
  3. Step 3: Cross multiply
    22,282.88x = 30,744.96 × 12,346.88
  4. Step 4: Simplify right side
    22,282.88x = 379,604,331.72
  5. Step 5: Solve for x
    x = 379,604,331.72/22,282.88
  6. Step 6: Final answer
    x = 17,035.69

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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.