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Finding the Fourth Proportional to 22,168.28, 33,252.71 and 7,377.20

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Solution

The fourth proportional to 22,168.28, 33,252.71 and 7,377.20 is: 11,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.28 : 33,252.71 = 7,377.20 : x
  2. Step 2: Convert to fraction form
    22,168.28/33,252.71 = 7,377.20/x
  3. Step 3: Cross multiply
    22,168.28x = 33,252.71 × 7,377.20
  4. Step 4: Simplify right side
    22,168.28x = 245,311,689.06
  5. Step 5: Solve for x
    x = 245,311,689.06/22,168.28
  6. Step 6: Final answer
    x = 11,065.89

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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.