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Finding the Fourth Proportional to 22,272.73, 33,405.93 and 5,631.73

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Solution

The fourth proportional to 22,272.73, 33,405.93 and 5,631.73 is: 8,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.73 : 33,405.93 = 5,631.73 : x
  2. Step 2: Convert to fraction form
    22,272.73/33,405.93 = 5,631.73/x
  3. Step 3: Cross multiply
    22,272.73x = 33,405.93 × 5,631.73
  4. Step 4: Simplify right side
    22,272.73x = 188,133,178.16
  5. Step 5: Solve for x
    x = 188,133,178.16/22,272.73
  6. Step 6: Final answer
    x = 8,446.79

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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.