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Finding the Fourth Proportional to 22,283.25, 30,750.89 and 13,331.13

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Solution

The fourth proportional to 22,283.25, 30,750.89 and 13,331.13 is: 18,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.25 : 30,750.89 = 13,331.13 : x
  2. Step 2: Convert to fraction form
    22,283.25/30,750.89 = 13,331.13/x
  3. Step 3: Cross multiply
    22,283.25x = 30,750.89 × 13,331.13
  4. Step 4: Simplify right side
    22,283.25x = 409,944,045.55
  5. Step 5: Solve for x
    x = 409,944,045.55/22,283.25
  6. Step 6: Final answer
    x = 18,396.96

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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.