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Finding the Fourth Proportional to 5,330.50, 7,998.99 and 2,252.50

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Solution

The fourth proportional to 5,330.50, 7,998.99 and 2,252.50 is: 3,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.50 : 7,998.99 = 2,252.50 : x
  2. Step 2: Convert to fraction form
    5,330.50/7,998.99 = 2,252.50/x
  3. Step 3: Cross multiply
    5,330.50x = 7,998.99 × 2,252.50
  4. Step 4: Simplify right side
    5,330.50x = 18,017,724.98
  5. Step 5: Solve for x
    x = 18,017,724.98/5,330.50
  6. Step 6: Final answer
    x = 3,380.12

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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.