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Finding the Fourth Proportional to 5,363.20, 8,045.04 and 2,771.20

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Solution

The fourth proportional to 5,363.20, 8,045.04 and 2,771.20 is: 4,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.20 : 8,045.04 = 2,771.20 : x
  2. Step 2: Convert to fraction form
    5,363.20/8,045.04 = 2,771.20/x
  3. Step 3: Cross multiply
    5,363.20x = 8,045.04 × 2,771.20
  4. Step 4: Simplify right side
    5,363.20x = 22,294,414.85
  5. Step 5: Solve for x
    x = 22,294,414.85/5,363.20
  6. Step 6: Final answer
    x = 4,156.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.