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Finding the Fourth Proportional to 4,363.80, 6,542.10 and 2,311.80

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Solution

The fourth proportional to 4,363.80, 6,542.10 and 2,311.80 is: 3,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.80 : 6,542.10 = 2,311.80 : x
  2. Step 2: Convert to fraction form
    4,363.80/6,542.10 = 2,311.80/x
  3. Step 3: Cross multiply
    4,363.80x = 6,542.10 × 2,311.80
  4. Step 4: Simplify right side
    4,363.80x = 15,124,026.78
  5. Step 5: Solve for x
    x = 15,124,026.78/4,363.80
  6. Step 6: Final answer
    x = 3,465.79

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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.