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Finding the Fourth Proportional to 22,242.46, 33,363.66 and 8,921.46

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Solution

The fourth proportional to 22,242.46, 33,363.66 and 8,921.46 is: 13,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.46 : 33,363.66 = 8,921.46 : x
  2. Step 2: Convert to fraction form
    22,242.46/33,363.66 = 8,921.46/x
  3. Step 3: Cross multiply
    22,242.46x = 33,363.66 × 8,921.46
  4. Step 4: Simplify right side
    22,242.46x = 297,652,558.14
  5. Step 5: Solve for x
    x = 297,652,558.14/22,242.46
  6. Step 6: Final answer
    x = 13,382.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.