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Finding the Fourth Proportional to 5,466.88, 8,203.72 and 2,545.44

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Solution

The fourth proportional to 5,466.88, 8,203.72 and 2,545.44 is: 3,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.88 : 8,203.72 = 2,545.44 : x
  2. Step 2: Convert to fraction form
    5,466.88/8,203.72 = 2,545.44/x
  3. Step 3: Cross multiply
    5,466.88x = 8,203.72 × 2,545.44
  4. Step 4: Simplify right side
    5,466.88x = 20,882,077.04
  5. Step 5: Solve for x
    x = 20,882,077.04/5,466.88
  6. Step 6: Final answer
    x = 3,819.74

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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.