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Finding the Fourth Proportional to 8,063.15, 12,108.36 and 4,949.39

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Solution

The fourth proportional to 8,063.15, 12,108.36 and 4,949.39 is: 7,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.15 : 12,108.36 = 4,949.39 : x
  2. Step 2: Convert to fraction form
    8,063.15/12,108.36 = 4,949.39/x
  3. Step 3: Cross multiply
    8,063.15x = 12,108.36 × 4,949.39
  4. Step 4: Simplify right side
    8,063.15x = 59,928,995.90
  5. Step 5: Solve for x
    x = 59,928,995.90/8,063.15
  6. Step 6: Final answer
    x = 7,432.45

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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.