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Finding the Fourth Proportional to 8,193.88, 12,290.01 and 3,262.20

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Solution

The fourth proportional to 8,193.88, 12,290.01 and 3,262.20 is: 4,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.88 : 12,290.01 = 3,262.20 : x
  2. Step 2: Convert to fraction form
    8,193.88/12,290.01 = 3,262.20/x
  3. Step 3: Cross multiply
    8,193.88x = 12,290.01 × 3,262.20
  4. Step 4: Simplify right side
    8,193.88x = 40,092,430.65
  5. Step 5: Solve for x
    x = 40,092,430.65/8,193.88
  6. Step 6: Final answer
    x = 4,892.97

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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.