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Finding the Fourth Proportional to 8,222.22, 12,332.11 and 3,026.88

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Solution

The fourth proportional to 8,222.22, 12,332.11 and 3,026.88 is: 4,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.22 : 12,332.11 = 3,026.88 : x
  2. Step 2: Convert to fraction form
    8,222.22/12,332.11 = 3,026.88/x
  3. Step 3: Cross multiply
    8,222.22x = 12,332.11 × 3,026.88
  4. Step 4: Simplify right side
    8,222.22x = 37,327,817.12
  5. Step 5: Solve for x
    x = 37,327,817.12/8,222.22
  6. Step 6: Final answer
    x = 4,539.87

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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.