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Finding the Fourth Proportional to 22,207.52, 33,312.72 and 6,626.72

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Solution

The fourth proportional to 22,207.52, 33,312.72 and 6,626.72 is: 9,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.52 : 33,312.72 = 6,626.72 : x
  2. Step 2: Convert to fraction form
    22,207.52/33,312.72 = 6,626.72/x
  3. Step 3: Cross multiply
    22,207.52x = 33,312.72 × 6,626.72
  4. Step 4: Simplify right side
    22,207.52x = 220,754,067.88
  5. Step 5: Solve for x
    x = 220,754,067.88/22,207.52
  6. Step 6: Final answer
    x = 9,940.51

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Half scale
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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.