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Finding the Fourth Proportional to 22,077.94, 33,120.94 and 7,287.88

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Solution

The fourth proportional to 22,077.94, 33,120.94 and 7,287.88 is: 10,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.94 : 33,120.94 = 7,287.88 : x
  2. Step 2: Convert to fraction form
    22,077.94/33,120.94 = 7,287.88/x
  3. Step 3: Cross multiply
    22,077.94x = 33,120.94 × 7,287.88
  4. Step 4: Simplify right side
    22,077.94x = 241,381,436.21
  5. Step 5: Solve for x
    x = 241,381,436.21/22,077.94
  6. Step 6: Final answer
    x = 10,933.15

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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.