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Finding the Fourth Proportional to 5,395.24, 8,097.90 and 2,800

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Solution

The fourth proportional to 5,395.24, 8,097.90 and 2,800 is: 4,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.24 : 8,097.90 = 2,800 : x
  2. Step 2: Convert to fraction form
    5,395.24/8,097.90 = 2,800/x
  3. Step 3: Cross multiply
    5,395.24x = 8,097.90 × 2,800
  4. Step 4: Simplify right side
    5,395.24x = 22,674,120
  5. Step 5: Solve for x
    x = 22,674,120/5,395.24
  6. Step 6: Final answer
    x = 4,202.62

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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.