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Finding the Fourth Proportional to 22,428.62, 33,646.89 and 9,273.62

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Solution

The fourth proportional to 22,428.62, 33,646.89 and 9,273.62 is: 13,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.62 : 33,646.89 = 9,273.62 : x
  2. Step 2: Convert to fraction form
    22,428.62/33,646.89 = 9,273.62/x
  3. Step 3: Cross multiply
    22,428.62x = 33,646.89 × 9,273.62
  4. Step 4: Simplify right side
    22,428.62x = 312,028,472.04
  5. Step 5: Solve for x
    x = 312,028,472.04/22,428.62
  6. Step 6: Final answer
    x = 13,912.07

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1.5x scale

Why These Related Problems?

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