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Finding the Fourth Proportional to 5,493.30, 8,227.80 and 4,521.30

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Solution

The fourth proportional to 5,493.30, 8,227.80 and 4,521.30 is: 6,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.30 : 8,227.80 = 4,521.30 : x
  2. Step 2: Convert to fraction form
    5,493.30/8,227.80 = 4,521.30/x
  3. Step 3: Cross multiply
    5,493.30x = 8,227.80 × 4,521.30
  4. Step 4: Simplify right side
    5,493.30x = 37,200,352.14
  5. Step 5: Solve for x
    x = 37,200,352.14/5,493.30
  6. Step 6: Final answer
    x = 6,771.95

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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.