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Finding the Fourth Proportional to 5,998.76, 9,000.72 and 3,222.18

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Solution

The fourth proportional to 5,998.76, 9,000.72 and 3,222.18 is: 4,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.76 : 9,000.72 = 3,222.18 : x
  2. Step 2: Convert to fraction form
    5,998.76/9,000.72 = 3,222.18/x
  3. Step 3: Cross multiply
    5,998.76x = 9,000.72 × 3,222.18
  4. Step 4: Simplify right side
    5,998.76x = 29,001,939.97
  5. Step 5: Solve for x
    x = 29,001,939.97/5,998.76
  6. Step 6: Final answer
    x = 4,834.66

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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.